642634

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:521

約数の個数: 16

約数和(自身を含む): 1047816

約数和(自身を除く): 405182

約数列:

[1, 2, 17, 34, 41, 82, 461, 697, 922, 1394, 7837, 15674, 18901, 37802, 321317, 642634]

約数ペア:

[(1, 642634), (2, 321317), (17, 37802), (34, 18901), (41, 15674), (82, 7837), (461, 1394), (697, 922)]