72720016

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{267353}}^1$

素因数の和:267378

約数の個数: 20

約数和(自身を含む): 149183532

約数和(自身を除く): 76463516

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 267353, 534706, 1069412, 2138824, 4277648, 4545001, 9090002, 18180004, 36360008, 72720016]

約数ペア:

[(1, 72720016), (2, 36360008), (4, 18180004), (8, 9090002), (16, 4545001), (17, 4277648), (34, 2138824), (68, 1069412), (136, 534706), (272, 267353)]