81491436

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 236291328

約数和(自身を除く): 154799892

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 41, 52, 62, 78, 82, 93, 117, 123, 124, 137, 156, 164, 186, 234, 246, 274, 279, 369, 372, 403, 411, 468, 492, 533, 548, 558, 738, 806, 822, 1066, 1116, 1209, 1233, 1271, 1476, 1599, 1612, 1644, 1781, 2132, 2418, 2466, 2542, 3198, 3562, 3627, 3813, 4247, 4797, 4836, 4932, 5084, 5343, 5617, 6396, 7124, 7254, 7626, 8494, 9594, 10686, 11234, 11439, 12741, 14508, 15252, 16029, 16523, 16851, 16988, 19188, 21372, 22468, 22878, 25482, 32058, 33046, 33702, 38223, 45756, 49569, 50553, 50964, 55211, 64116, 66092, 67404, 73021, 76446, 99138, 101106, 110422, 146042, 148707, 152892, 165633, 174127, 198276, 202212, 219063, 220844, 292084, 297414, 331266, 348254, 438126, 496899, 522381, 594828, 657189, 662532, 696508, 876252, 993798, 1044762, 1314378, 1567143, 1987596, 2089524, 2263651, 2628756, 3134286, 4527302, 6268572, 6790953, 9054604, 13581906, 20372859, 27163812, 40745718, 81491436]

約数ペア:

[(1, 81491436), (2, 40745718), (3, 27163812), (4, 20372859), (6, 13581906), (9, 9054604), (12, 6790953), (13, 6268572), (18, 4527302), (26, 3134286), (31, 2628756), (36, 2263651), (39, 2089524), (41, 1987596), (52, 1567143), (62, 1314378), (78, 1044762), (82, 993798), (93, 876252), (117, 696508), (123, 662532), (124, 657189), (137, 594828), (156, 522381), (164, 496899), (186, 438126), (234, 348254), (246, 331266), (274, 297414), (279, 292084), (369, 220844), (372, 219063), (403, 202212), (411, 198276), (468, 174127), (492, 165633), (533, 152892), (548, 148707), (558, 146042), (738, 110422), (806, 101106), (822, 99138), (1066, 76446), (1116, 73021), (1209, 67404), (1233, 66092), (1271, 64116), (1476, 55211), (1599, 50964), (1612, 50553), (1644, 49569), (1781, 45756), (2132, 38223), (2418, 33702), (2466, 33046), (2542, 32058), (3198, 25482), (3562, 22878), (3627, 22468), (3813, 21372), (4247, 19188), (4797, 16988), (4836, 16851), (4932, 16523), (5084, 16029), (5343, 15252), (5617, 14508), (6396, 12741), (7124, 11439), (7254, 11234), (7626, 10686), (8494, 9594)]