28405712

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{4217}}^1$

素因数の和:4646

約数の個数: 20

約数和(自身を含む): 55179876

約数和(自身を除く): 26774164

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 4217, 6736, 8434, 16868, 33736, 67472, 1775357, 3550714, 7101428, 14202856, 28405712]

約数ペア:

[(1, 28405712), (2, 14202856), (4, 7101428), (8, 3550714), (16, 1775357), (421, 67472), (842, 33736), (1684, 16868), (3368, 8434), (4217, 6736)]