30971390

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{19727}}^1$

素因数の和:19891

約数の個数: 16

約数和(自身を含む): 56106432

約数和(自身を除く): 25135042

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 19727, 39454, 98635, 197270, 3097139, 6194278, 15485695, 30971390]

約数ペア:

[(1, 30971390), (2, 15485695), (5, 6194278), (10, 3097139), (157, 197270), (314, 98635), (785, 39454), (1570, 19727)]