28129408

素因数分解:

$2^7\times {\mathrm{219761}}^1$

素因数の和:219775

約数の個数: 16

約数和(自身を含む): 56039310

約数和(自身を除く): 27909902

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 219761, 439522, 879044, 1758088, 3516176, 7032352, 14064704, 28129408]

約数ペア:

[(1, 28129408), (2, 14064704), (4, 7032352), (8, 3516176), (16, 1758088), (32, 879044), (64, 439522), (128, 219761)]