81640307

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 104872320

約数和(自身を除く): 23232013

約数列:

[1, 7, 17, 29, 41, 119, 203, 287, 493, 577, 697, 1189, 3451, 4039, 4879, 8323, 9809, 16733, 20213, 23657, 68663, 117131, 141491, 165599, 284461, 402169, 686053, 1991227, 2815183, 4802371, 11662901, 81640307]

約数ペア:

[(1, 81640307), (7, 11662901), (17, 4802371), (29, 2815183), (41, 1991227), (119, 686053), (203, 402169), (287, 284461), (493, 165599), (577, 141491), (697, 117131), (1189, 68663), (3451, 23657), (4039, 20213), (4879, 16733), (8323, 9809)]