199995136

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 470937600

約数和(自身を除く): 270942464

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 31, 32, 44, 58, 62, 64, 79, 88, 116, 124, 128, 158, 176, 232, 248, 256, 316, 319, 341, 352, 464, 496, 632, 638, 682, 704, 869, 899, 928, 992, 1264, 1276, 1364, 1408, 1738, 1798, 1856, 1984, 2291, 2449, 2528, 2552, 2728, 2816, 3476, 3596, 3712, 3968, 4582, 4898, 5056, 5104, 5456, 6952, 7192, 7424, 7936, 9164, 9796, 9889, 10112, 10208, 10912, 13904, 14384, 18328, 19592, 19778, 20224, 20416, 21824, 25201, 26939, 27808, 28768, 36656, 39184, 39556, 40832, 43648, 50402, 53878, 55616, 57536, 71021, 73312, 78368, 79112, 81664, 87296, 100804, 107756, 111232, 115072, 142042, 146624, 156736, 158224, 201608, 215512, 222464, 230144, 284084, 293248, 313472, 316448, 403216, 431024, 568168, 586496, 626944, 632896, 781231, 806432, 862048, 1136336, 1265792, 1562462, 1612864, 1724096, 2272672, 2531584, 3124924, 3225728, 3448192, 4545344, 6249848, 6451456, 6896384, 9090688, 12499696, 18181376, 24999392, 49998784, 99997568, 199995136]

約数ペア:

[(1, 199995136), (2, 99997568), (4, 49998784), (8, 24999392), (11, 18181376), (16, 12499696), (22, 9090688), (29, 6896384), (31, 6451456), (32, 6249848), (44, 4545344), (58, 3448192), (62, 3225728), (64, 3124924), (79, 2531584), (88, 2272672), (116, 1724096), (124, 1612864), (128, 1562462), (158, 1265792), (176, 1136336), (232, 862048), (248, 806432), (256, 781231), (316, 632896), (319, 626944), (341, 586496), (352, 568168), (464, 431024), (496, 403216), (632, 316448), (638, 313472), (682, 293248), (704, 284084), (869, 230144), (899, 222464), (928, 215512), (992, 201608), (1264, 158224), (1276, 156736), (1364, 146624), (1408, 142042), (1738, 115072), (1798, 111232), (1856, 107756), (1984, 100804), (2291, 87296), (2449, 81664), (2528, 79112), (2552, 78368), (2728, 73312), (2816, 71021), (3476, 57536), (3596, 55616), (3712, 53878), (3968, 50402), (4582, 43648), (4898, 40832), (5056, 39556), (5104, 39184), (5456, 36656), (6952, 28768), (7192, 27808), (7424, 26939), (7936, 25201), (9164, 21824), (9796, 20416), (9889, 20224), (10112, 19778), (10208, 19592), (10912, 18328), (13904, 14384)]