400546928

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1472599}}^1$

素因数の和:1472624

約数の個数: 20

約数和(自身を含む): 821710800

約数和(自身を除く): 421163872

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1472599, 2945198, 5890396, 11780792, 23561584, 25034183, 50068366, 100136732, 200273464, 400546928]

約数ペア:

[(1, 400546928), (2, 200273464), (4, 100136732), (8, 50068366), (16, 25034183), (17, 23561584), (34, 11780792), (68, 5890396), (136, 2945198), (272, 1472599)]