280173998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{26347}}^1$

素因数の和:26771

約数の個数: 16

約数和(自身を含む): 453712560

約数和(自身を除く): 173538562

約数列:

[1, 2, 13, 26, 409, 818, 5317, 10634, 26347, 52694, 342511, 685022, 10775923, 21551846, 140086999, 280173998]

約数ペア:

[(1, 280173998), (2, 140086999), (13, 21551846), (26, 10775923), (409, 685022), (818, 342511), (5317, 52694), (10634, 26347)]