31489090

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{35381}}^1$

素因数の和:35477

約数の個数: 16

約数和(自身を含む): 57318840

約数和(自身を除く): 25829750

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 35381, 70762, 176905, 353810, 3148909, 6297818, 15744545, 31489090]

約数ペア:

[(1, 31489090), (2, 15744545), (5, 6297818), (10, 3148909), (89, 353810), (178, 176905), (445, 70762), (890, 35381)]