31519310

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 58201632

約数和(自身を除く): 26682322

約数列:

[1, 2, 5, 10, 61, 122, 163, 305, 317, 326, 610, 634, 815, 1585, 1630, 3170, 9943, 19337, 19886, 38674, 49715, 51671, 96685, 99430, 103342, 193370, 258355, 516710, 3151931, 6303862, 15759655, 31519310]

約数ペア:

[(1, 31519310), (2, 15759655), (5, 6303862), (10, 3151931), (61, 516710), (122, 258355), (163, 193370), (305, 103342), (317, 99430), (326, 96685), (610, 51671), (634, 49715), (815, 38674), (1585, 19886), (1630, 19337), (3170, 9943)]