1640673881

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{926411}}^1$

素因数の和:926452

約数の個数: 16

約数和(自身を含む): 2134453248

約数和(自身を除く): 493779367

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 926411, 6484877, 10190521, 21307453, 71333647, 149152171, 234381983, 1640673881]

約数ペア:

[(1, 1640673881), (7, 234381983), (11, 149152171), (23, 71333647), (77, 21307453), (161, 10190521), (253, 6484877), (1771, 926411)]