31396456

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 75698280

約数和(自身を除く): 44301824

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 61, 91, 98, 101, 104, 122, 182, 196, 202, 244, 364, 392, 404, 427, 488, 637, 707, 728, 793, 808, 854, 1274, 1313, 1414, 1586, 1708, 2548, 2626, 2828, 2989, 3172, 3416, 4949, 5096, 5252, 5551, 5656, 5978, 6161, 6344, 9191, 9898, 10504, 11102, 11956, 12322, 18382, 19796, 22204, 23912, 24644, 36764, 38857, 39592, 43127, 44408, 49288, 64337, 73528, 77714, 80093, 86254, 128674, 155428, 160186, 172508, 257348, 301889, 310856, 320372, 345016, 514696, 560651, 603778, 640744, 1121302, 1207556, 2242604, 2415112, 3924557, 4485208, 7849114, 15698228, 31396456]

約数ペア:

[(1, 31396456), (2, 15698228), (4, 7849114), (7, 4485208), (8, 3924557), (13, 2415112), (14, 2242604), (26, 1207556), (28, 1121302), (49, 640744), (52, 603778), (56, 560651), (61, 514696), (91, 345016), (98, 320372), (101, 310856), (104, 301889), (122, 257348), (182, 172508), (196, 160186), (202, 155428), (244, 128674), (364, 86254), (392, 80093), (404, 77714), (427, 73528), (488, 64337), (637, 49288), (707, 44408), (728, 43127), (793, 39592), (808, 38857), (854, 36764), (1274, 24644), (1313, 23912), (1414, 22204), (1586, 19796), (1708, 18382), (2548, 12322), (2626, 11956), (2828, 11102), (2989, 10504), (3172, 9898), (3416, 9191), (4949, 6344), (5096, 6161), (5252, 5978), (5551, 5656)]