31199245

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 17063795

約数列:

[1, 5, 7, 11, 35, 53, 55, 77, 121, 139, 265, 371, 385, 583, 605, 695, 847, 973, 1529, 1855, 2915, 4081, 4235, 4865, 6413, 7367, 7645, 10703, 16819, 20405, 32065, 36835, 44891, 51569, 53515, 81037, 84095, 117733, 224455, 257845, 405185, 567259, 588665, 891407, 2836295, 4457035, 6239849, 31199245]

約数ペア:

[(1, 31199245), (5, 6239849), (7, 4457035), (11, 2836295), (35, 891407), (53, 588665), (55, 567259), (77, 405185), (121, 257845), (139, 224455), (265, 117733), (371, 84095), (385, 81037), (583, 53515), (605, 51569), (695, 44891), (847, 36835), (973, 32065), (1529, 20405), (1855, 16819), (2915, 10703), (4081, 7645), (4235, 7367), (4865, 6413)]