128419870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{2383}}^1$

素因数の和:2724

約数の個数: 32

約数和(自身を含む): 245628288

約数和(自身を除く): 117208418

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 317, 634, 1585, 2383, 3170, 4766, 5389, 10778, 11915, 23830, 26945, 40511, 53890, 81022, 202555, 405110, 755411, 1510822, 3777055, 7554110, 12841987, 25683974, 64209935, 128419870]

約数ペア:

[(1, 128419870), (2, 64209935), (5, 25683974), (10, 12841987), (17, 7554110), (34, 3777055), (85, 1510822), (170, 755411), (317, 405110), (634, 202555), (1585, 81022), (2383, 53890), (3170, 40511), (4766, 26945), (5389, 23830), (10778, 11915)]