71890819

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{6529}}^1$

素因数の和:6571

約数の個数: 24

約数和(自身を含む): 97270880

約数和(自身を除く): 25380061

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1573, 6529, 11011, 45703, 71819, 84877, 502733, 594139, 790009, 933647, 5530063, 6535529, 10270117, 71890819]

約数ペア:

[(1, 71890819), (7, 10270117), (11, 6535529), (13, 5530063), (77, 933647), (91, 790009), (121, 594139), (143, 502733), (847, 84877), (1001, 71819), (1573, 45703), (6529, 11011)]