71285921

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1667}}^1$

素因数の和:1864

約数の個数: 16

約数和(自身を含む): 84067200

約数和(自身を除く): 12781279

約数列:

[1, 7, 41, 149, 287, 1043, 1667, 6109, 11669, 42763, 68347, 248383, 478429, 1738681, 10183703, 71285921]

約数ペア:

[(1, 71285921), (7, 10183703), (41, 1738681), (149, 478429), (287, 248383), (1043, 68347), (1667, 42763), (6109, 11669)]