6720688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:509

約数の個数: 40

約数和(自身を含む): 14235200

約数和(自身を除く): 7514512

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 409, 632, 818, 1027, 1264, 1636, 2054, 3272, 4108, 5317, 6544, 8216, 10634, 16432, 21268, 32311, 42536, 64622, 85072, 129244, 258488, 420043, 516976, 840086, 1680172, 3360344, 6720688]

約数ペア:

[(1, 6720688), (2, 3360344), (4, 1680172), (8, 840086), (13, 516976), (16, 420043), (26, 258488), (52, 129244), (79, 85072), (104, 64622), (158, 42536), (208, 32311), (316, 21268), (409, 16432), (632, 10634), (818, 8216), (1027, 6544), (1264, 5317), (1636, 4108), (2054, 3272)]