31981523

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{733}}^1$

素因数の和:1034

約数の個数: 16

約数和(自身を含む): 38332416

約数和(自身を除く): 6350893

約数列:

[1, 7, 23, 161, 271, 733, 1897, 5131, 6233, 16859, 43631, 118013, 198643, 1390501, 4568789, 31981523]

約数ペア:

[(1, 31981523), (7, 4568789), (23, 1390501), (161, 198643), (271, 118013), (733, 43631), (1897, 16859), (5131, 6233)]