291062015

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{2837}}^1$

素因数の和:2947

約数の個数: 24

約数和(自身を含む): 376386912

約数和(自身を除く): 85324897

約数列:

[1, 5, 17, 71, 85, 289, 355, 1207, 1445, 2837, 6035, 14185, 20519, 48229, 102595, 201427, 241145, 819893, 1007135, 3424259, 4099465, 17121295, 58212403, 291062015]

約数ペア:

[(1, 291062015), (5, 58212403), (17, 17121295), (71, 4099465), (85, 3424259), (289, 1007135), (355, 819893), (1207, 241145), (1445, 201427), (2837, 102595), (6035, 48229), (14185, 20519)]