631813

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 16

約数和(自身を含む): 798336

約数和(自身を除く): 166523

約数列:

[1, 7, 13, 53, 91, 131, 371, 689, 917, 1703, 4823, 6943, 11921, 48601, 90259, 631813]

約数ペア:

[(1, 631813), (7, 90259), (13, 48601), (53, 11921), (91, 6943), (131, 4823), (371, 1703), (689, 917)]