840086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:503

約数の個数: 16

約数和(自身を含む): 1377600

約数和(自身を除く): 537514

約数列:

[1, 2, 13, 26, 79, 158, 409, 818, 1027, 2054, 5317, 10634, 32311, 64622, 420043, 840086]

約数ペア:

[(1, 840086), (2, 420043), (13, 64622), (26, 32311), (79, 10634), (158, 5317), (409, 2054), (818, 1027)]