321552016

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{225809}}^1$

素因数の和:225906

約数の個数: 20

約数和(自身を含む): 630009900

約数和(自身を除く): 308457884

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 225809, 451618, 903236, 1806472, 3612944, 20097001, 40194002, 80388004, 160776008, 321552016]

約数ペア:

[(1, 321552016), (2, 160776008), (4, 80388004), (8, 40194002), (16, 20097001), (89, 3612944), (178, 1806472), (356, 903236), (712, 451618), (1424, 225809)]