28810790

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{77867}}^1$

素因数の和:77911

約数の個数: 16

約数和(自身を含む): 53261712

約数和(自身を除く): 24450922

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 77867, 155734, 389335, 778670, 2881079, 5762158, 14405395, 28810790]

約数ペア:

[(1, 28810790), (2, 14405395), (5, 5762158), (10, 2881079), (37, 778670), (74, 389335), (185, 155734), (370, 77867)]