87645428

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{317}}^1\times {\mathrm{409}}^1$

素因数の和:756

約数の個数: 36

約数和(自身を含む): 167016780

約数和(自身を除く): 79371352

約数列:

[1, 2, 4, 13, 26, 52, 169, 317, 338, 409, 634, 676, 818, 1268, 1636, 4121, 5317, 8242, 10634, 16484, 21268, 53573, 69121, 107146, 129653, 138242, 214292, 259306, 276484, 518612, 1685489, 3370978, 6741956, 21911357, 43822714, 87645428]

約数ペア:

[(1, 87645428), (2, 43822714), (4, 21911357), (13, 6741956), (26, 3370978), (52, 1685489), (169, 518612), (317, 276484), (338, 259306), (409, 214292), (634, 138242), (676, 129653), (818, 107146), (1268, 69121), (1636, 53573), (4121, 21268), (5317, 16484), (8242, 10634)]