81172756

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5501}}^1$

素因数の和:5560

約数の個数: 48

約数和(自身を含む): 177472512

約数和(自身を除く): 96299756

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 62, 68, 119, 124, 217, 238, 434, 476, 527, 868, 1054, 2108, 3689, 5501, 7378, 11002, 14756, 22004, 38507, 77014, 93517, 154028, 170531, 187034, 341062, 374068, 654619, 682124, 1193717, 1309238, 2387434, 2618476, 2899027, 4774868, 5798054, 11596108, 20293189, 40586378, 81172756]

約数ペア:

[(1, 81172756), (2, 40586378), (4, 20293189), (7, 11596108), (14, 5798054), (17, 4774868), (28, 2899027), (31, 2618476), (34, 2387434), (62, 1309238), (68, 1193717), (119, 682124), (124, 654619), (217, 374068), (238, 341062), (434, 187034), (476, 170531), (527, 154028), (868, 93517), (1054, 77014), (2108, 38507), (3689, 22004), (5501, 14756), (7378, 11002)]