28408090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{91639}}^1$

素因数の和:91677

約数の個数: 16

約数和(自身を含む): 52784640

約数和(自身を除く): 24376550

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 91639, 183278, 458195, 916390, 2840809, 5681618, 14204045, 28408090]

約数ペア:

[(1, 28408090), (2, 14204045), (5, 5681618), (10, 2840809), (31, 916390), (62, 458195), (155, 183278), (310, 91639)]