28285790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12799}}^1$

素因数の和:12836

約数の個数: 32

約数和(自身を含む): 58060800

約数和(自身を除く): 29775010

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 12799, 25598, 63995, 127990, 166387, 217583, 332774, 435166, 831935, 1087915, 1663870, 2175830, 2828579, 5657158, 14142895, 28285790]

約数ペア:

[(1, 28285790), (2, 14142895), (5, 5657158), (10, 2828579), (13, 2175830), (17, 1663870), (26, 1087915), (34, 831935), (65, 435166), (85, 332774), (130, 217583), (170, 166387), (221, 127990), (442, 63995), (1105, 25598), (2210, 12799)]