131569984

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 224

約数和(自身を含む): 358444800

約数和(自身を除く): 226874816

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 29, 32, 38, 41, 52, 56, 58, 64, 76, 82, 91, 104, 112, 116, 133, 152, 164, 182, 203, 208, 224, 232, 247, 266, 287, 304, 328, 364, 377, 406, 416, 448, 464, 494, 532, 533, 551, 574, 608, 656, 728, 754, 779, 812, 832, 928, 988, 1064, 1066, 1102, 1148, 1189, 1216, 1312, 1456, 1508, 1558, 1624, 1729, 1856, 1976, 2128, 2132, 2204, 2296, 2378, 2624, 2639, 2912, 3016, 3116, 3248, 3458, 3731, 3857, 3952, 4256, 4264, 4408, 4592, 4756, 5278, 5453, 5824, 6032, 6232, 6496, 6916, 7163, 7462, 7714, 7904, 8323, 8512, 8528, 8816, 9184, 9512, 10127, 10556, 10906, 12064, 12464, 12992, 13832, 14326, 14924, 15428, 15457, 15808, 16646, 17056, 17632, 18368, 19024, 20254, 21112, 21812, 22591, 24128, 24928, 27664, 28652, 29848, 30856, 30914, 33292, 34112, 35264, 38048, 40508, 42224, 43624, 45182, 49856, 50141, 55328, 57304, 59696, 61712, 61828, 66584, 70889, 76096, 81016, 84448, 87248, 90364, 100282, 108199, 110656, 114608, 119392, 123424, 123656, 133168, 141778, 158137, 162032, 168896, 174496, 180728, 200564, 216398, 229216, 238784, 246848, 247312, 266336, 283556, 293683, 316274, 324064, 348992, 361456, 401128, 432796, 458432, 494624, 532672, 567112, 587366, 632548, 648128, 722912, 802256, 865592, 989248, 1134224, 1174732, 1265096, 1445824, 1604512, 1731184, 2055781, 2268448, 2349464, 2530192, 3209024, 3462368, 4111562, 4536896, 4698928, 5060384, 6924736, 8223124, 9397856, 10120768, 16446248, 18795712, 32892496, 65784992, 131569984]

約数ペア:

[(1, 131569984), (2, 65784992), (4, 32892496), (7, 18795712), (8, 16446248), (13, 10120768), (14, 9397856), (16, 8223124), (19, 6924736), (26, 5060384), (28, 4698928), (29, 4536896), (32, 4111562), (38, 3462368), (41, 3209024), (52, 2530192), (56, 2349464), (58, 2268448), (64, 2055781), (76, 1731184), (82, 1604512), (91, 1445824), (104, 1265096), (112, 1174732), (116, 1134224), (133, 989248), (152, 865592), (164, 802256), (182, 722912), (203, 648128), (208, 632548), (224, 587366), (232, 567112), (247, 532672), (266, 494624), (287, 458432), (304, 432796), (328, 401128), (364, 361456), (377, 348992), (406, 324064), (416, 316274), (448, 293683), (464, 283556), (494, 266336), (532, 247312), (533, 246848), (551, 238784), (574, 229216), (608, 216398), (656, 200564), (728, 180728), (754, 174496), (779, 168896), (812, 162032), (832, 158137), (928, 141778), (988, 133168), (1064, 123656), (1066, 123424), (1102, 119392), (1148, 114608), (1189, 110656), (1216, 108199), (1312, 100282), (1456, 90364), (1508, 87248), (1558, 84448), (1624, 81016), (1729, 76096), (1856, 70889), (1976, 66584), (2128, 61828), (2132, 61712), (2204, 59696), (2296, 57304), (2378, 55328), (2624, 50141), (2639, 49856), (2912, 45182), (3016, 43624), (3116, 42224), (3248, 40508), (3458, 38048), (3731, 35264), (3857, 34112), (3952, 33292), (4256, 30914), (4264, 30856), (4408, 29848), (4592, 28652), (4756, 27664), (5278, 24928), (5453, 24128), (5824, 22591), (6032, 21812), (6232, 21112), (6496, 20254), (6916, 19024), (7163, 18368), (7462, 17632), (7714, 17056), (7904, 16646), (8323, 15808), (8512, 15457), (8528, 15428), (8816, 14924), (9184, 14326), (9512, 13832), (10127, 12992), (10556, 12464), (10906, 12064)]