397518208

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 888330240

約数和(自身を除く): 490812032

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 71, 83, 124, 128, 136, 142, 166, 248, 272, 284, 332, 496, 527, 544, 568, 664, 992, 1054, 1088, 1136, 1207, 1328, 1411, 1984, 2108, 2176, 2201, 2272, 2414, 2573, 2656, 2822, 3968, 4216, 4402, 4544, 4828, 5146, 5312, 5644, 5893, 8432, 8804, 9088, 9656, 10292, 10624, 11288, 11786, 16864, 17608, 19312, 20584, 22576, 23572, 33728, 35216, 37417, 38624, 41168, 43741, 45152, 47144, 67456, 70432, 74834, 77248, 82336, 87482, 90304, 94288, 100181, 140864, 149668, 154496, 164672, 174964, 180608, 182683, 188576, 200362, 281728, 299336, 329344, 349928, 365366, 377152, 400724, 598672, 699856, 730732, 754304, 801448, 1197344, 1399712, 1461464, 1602896, 2394688, 2799424, 2922928, 3105611, 3205792, 4789376, 5598848, 5845856, 6211222, 6411584, 11691712, 12422444, 12823168, 23383424, 24844888, 49689776, 99379552, 198759104, 397518208]

約数ペア:

[(1, 397518208), (2, 198759104), (4, 99379552), (8, 49689776), (16, 24844888), (17, 23383424), (31, 12823168), (32, 12422444), (34, 11691712), (62, 6411584), (64, 6211222), (68, 5845856), (71, 5598848), (83, 4789376), (124, 3205792), (128, 3105611), (136, 2922928), (142, 2799424), (166, 2394688), (248, 1602896), (272, 1461464), (284, 1399712), (332, 1197344), (496, 801448), (527, 754304), (544, 730732), (568, 699856), (664, 598672), (992, 400724), (1054, 377152), (1088, 365366), (1136, 349928), (1207, 329344), (1328, 299336), (1411, 281728), (1984, 200362), (2108, 188576), (2176, 182683), (2201, 180608), (2272, 174964), (2414, 164672), (2573, 154496), (2656, 149668), (2822, 140864), (3968, 100181), (4216, 94288), (4402, 90304), (4544, 87482), (4828, 82336), (5146, 77248), (5312, 74834), (5644, 70432), (5893, 67456), (8432, 47144), (8804, 45152), (9088, 43741), (9656, 41168), (10292, 38624), (10624, 37417), (11288, 35216), (11786, 33728), (16864, 23572), (17608, 22576), (19312, 20584)]