644308670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{53381}}^1$

素因数の和:53476

約数の個数: 32

約数和(自身を含む): 1245295296

約数和(自身を除く): 600986626

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 2414, 6035, 12070, 53381, 106762, 266905, 533810, 907477, 1814954, 3790051, 4537385, 7580102, 9074770, 18950255, 37900510, 64430867, 128861734, 322154335, 644308670]

約数ペア:

[(1, 644308670), (2, 322154335), (5, 128861734), (10, 64430867), (17, 37900510), (34, 18950255), (71, 9074770), (85, 7580102), (142, 4537385), (170, 3790051), (355, 1814954), (710, 907477), (1207, 533810), (2414, 266905), (6035, 106762), (12070, 53381)]