37881389

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 50512896

約数和(自身を除く): 12631507

約数列:

[1, 7, 13, 17, 47, 91, 119, 221, 329, 521, 611, 799, 1547, 3647, 4277, 5593, 6773, 8857, 10387, 24487, 47411, 61999, 72709, 115141, 171409, 318331, 416279, 805987, 2228317, 2913953, 5411627, 37881389]

約数ペア:

[(1, 37881389), (7, 5411627), (13, 2913953), (17, 2228317), (47, 805987), (91, 416279), (119, 318331), (221, 171409), (329, 115141), (521, 72709), (611, 61999), (799, 47411), (1547, 24487), (3647, 10387), (4277, 8857), (5593, 6773)]