31232432

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 76495104

約数和(自身を除く): 45262672

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 101, 112, 154, 176, 202, 251, 308, 404, 502, 616, 707, 808, 1004, 1111, 1232, 1414, 1616, 1757, 2008, 2222, 2761, 2828, 3514, 4016, 4444, 5522, 5656, 7028, 7777, 8888, 11044, 11312, 14056, 15554, 17776, 19327, 22088, 25351, 28112, 31108, 38654, 44176, 50702, 62216, 77308, 101404, 124432, 154616, 177457, 202808, 278861, 309232, 354914, 405616, 557722, 709828, 1115444, 1419656, 1952027, 2230888, 2839312, 3904054, 4461776, 7808108, 15616216, 31232432]

約数ペア:

[(1, 31232432), (2, 15616216), (4, 7808108), (7, 4461776), (8, 3904054), (11, 2839312), (14, 2230888), (16, 1952027), (22, 1419656), (28, 1115444), (44, 709828), (56, 557722), (77, 405616), (88, 354914), (101, 309232), (112, 278861), (154, 202808), (176, 177457), (202, 154616), (251, 124432), (308, 101404), (404, 77308), (502, 62216), (616, 50702), (707, 44176), (808, 38654), (1004, 31108), (1111, 28112), (1232, 25351), (1414, 22088), (1616, 19327), (1757, 17776), (2008, 15554), (2222, 14056), (2761, 11312), (2828, 11044), (3514, 8888), (4016, 7777), (4444, 7028), (5522, 5656)]