81791732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 165473280

約数和(自身を除く): 83681548

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 227, 418, 431, 454, 836, 862, 908, 1724, 2497, 4313, 4741, 4994, 8189, 8626, 9482, 9988, 16378, 17252, 18964, 32756, 47443, 90079, 94886, 97837, 180158, 189772, 195674, 360316, 391348, 1076207, 1858903, 2152414, 3717806, 4304828, 7435612, 20447933, 40895866, 81791732]

約数ペア:

[(1, 81791732), (2, 40895866), (4, 20447933), (11, 7435612), (19, 4304828), (22, 3717806), (38, 2152414), (44, 1858903), (76, 1076207), (209, 391348), (227, 360316), (418, 195674), (431, 189772), (454, 180158), (836, 97837), (862, 94886), (908, 90079), (1724, 47443), (2497, 32756), (4313, 18964), (4741, 17252), (4994, 16378), (8189, 9988), (8626, 9482)]