85131398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 142179840

約数和(自身を除く): 57048442

約数列:

[1, 2, 11, 22, 109, 131, 218, 262, 271, 542, 1199, 1441, 2398, 2882, 2981, 5962, 14279, 28558, 29539, 35501, 59078, 71002, 157069, 314138, 324929, 390511, 649858, 781022, 3869609, 7739218, 42565699, 85131398]

約数ペア:

[(1, 85131398), (2, 42565699), (11, 7739218), (22, 3869609), (109, 781022), (131, 649858), (218, 390511), (262, 324929), (271, 314138), (542, 157069), (1199, 71002), (1441, 59078), (2398, 35501), (2882, 29539), (2981, 28558), (5962, 14279)]