221498536

素因数分解:

$2^3\times 7^1\times {\mathrm{3955331}}^1$

素因数の和:3955344

約数の個数: 16

約数和(自身を含む): 474639840

約数和(自身を除く): 253141304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3955331, 7910662, 15821324, 27687317, 31642648, 55374634, 110749268, 221498536]

約数ペア:

[(1, 221498536), (2, 110749268), (4, 55374634), (7, 31642648), (8, 27687317), (14, 15821324), (28, 7910662), (56, 3955331)]