28738670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2381}}^1$

素因数の和:2476

約数の個数: 32

約数和(自身を含む): 55567296

約数和(自身を除く): 26828626

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 2381, 2414, 4762, 6035, 11905, 12070, 23810, 40477, 80954, 169051, 202385, 338102, 404770, 845255, 1690510, 2873867, 5747734, 14369335, 28738670]

約数ペア:

[(1, 28738670), (2, 14369335), (5, 5747734), (10, 2873867), (17, 1690510), (34, 845255), (71, 404770), (85, 338102), (142, 202385), (170, 169051), (355, 80954), (710, 40477), (1207, 23810), (2381, 12070), (2414, 11905), (4762, 6035)]