81808452

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 144

約数和(自身を含む): 242161920

約数和(自身を除く): 160353468

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 83, 99, 114, 131, 132, 166, 171, 198, 209, 228, 249, 262, 332, 342, 393, 396, 418, 498, 524, 627, 684, 747, 786, 836, 913, 996, 1179, 1254, 1441, 1494, 1572, 1577, 1826, 1881, 2358, 2489, 2508, 2739, 2882, 2988, 3154, 3652, 3762, 4323, 4716, 4731, 4978, 5478, 5764, 6308, 7467, 7524, 8217, 8646, 9462, 9956, 10873, 10956, 12969, 14193, 14934, 16434, 17292, 17347, 18924, 21746, 22401, 25938, 27379, 28386, 29868, 32619, 32868, 34694, 43492, 44802, 51876, 52041, 54758, 56772, 65238, 69388, 82137, 89604, 97857, 104082, 109516, 119603, 130476, 156123, 164274, 195714, 206587, 208164, 239206, 246411, 312246, 328548, 358809, 391428, 413174, 478412, 492822, 619761, 624492, 717618, 826348, 985644, 1076427, 1239522, 1435236, 1859283, 2152854, 2272457, 2479044, 3718566, 4305708, 4544914, 6817371, 7437132, 9089828, 13634742, 20452113, 27269484, 40904226, 81808452]

約数ペア:

[(1, 81808452), (2, 40904226), (3, 27269484), (4, 20452113), (6, 13634742), (9, 9089828), (11, 7437132), (12, 6817371), (18, 4544914), (19, 4305708), (22, 3718566), (33, 2479044), (36, 2272457), (38, 2152854), (44, 1859283), (57, 1435236), (66, 1239522), (76, 1076427), (83, 985644), (99, 826348), (114, 717618), (131, 624492), (132, 619761), (166, 492822), (171, 478412), (198, 413174), (209, 391428), (228, 358809), (249, 328548), (262, 312246), (332, 246411), (342, 239206), (393, 208164), (396, 206587), (418, 195714), (498, 164274), (524, 156123), (627, 130476), (684, 119603), (747, 109516), (786, 104082), (836, 97857), (913, 89604), (996, 82137), (1179, 69388), (1254, 65238), (1441, 56772), (1494, 54758), (1572, 52041), (1577, 51876), (1826, 44802), (1881, 43492), (2358, 34694), (2489, 32868), (2508, 32619), (2739, 29868), (2882, 28386), (2988, 27379), (3154, 25938), (3652, 22401), (3762, 21746), (4323, 18924), (4716, 17347), (4731, 17292), (4978, 16434), (5478, 14934), (5764, 14193), (6308, 12969), (7467, 10956), (7524, 10873), (8217, 9956), (8646, 9462)]