31901513

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1831}}^1$

素因数の和:1988

約数の個数: 16

約数和(自身を含む): 38691840

約数和(自身を除く): 6790327

約数列:

[1, 7, 19, 131, 133, 917, 1831, 2489, 12817, 17423, 34789, 239861, 243523, 1679027, 4557359, 31901513]

約数ペア:

[(1, 31901513), (7, 4557359), (19, 1679027), (131, 243523), (133, 239861), (917, 34789), (1831, 17423), (2489, 12817)]