31486931

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{877}}^1$

素因数の和:1130

約数の個数: 16

約数和(自身を含む): 37761024

約数和(自身を除く): 6274093

約数列:

[1, 7, 23, 161, 223, 877, 1561, 5129, 6139, 20171, 35903, 141197, 195571, 1368997, 4498133, 31486931]

約数ペア:

[(1, 31486931), (7, 4498133), (23, 1368997), (161, 195571), (223, 141197), (877, 35903), (1561, 20171), (5129, 6139)]