64395277

素因数分解:

${\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 68073984

約数和(自身を除く): 3678707

約数列:

[1, 31, 101, 131, 157, 3131, 4061, 4867, 13231, 15857, 20567, 410161, 491567, 637577, 2077267, 64395277]

約数ペア:

[(1, 64395277), (31, 2077267), (101, 637577), (131, 491567), (157, 410161), (3131, 20567), (4061, 15857), (4867, 13231)]