2178774910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{985871}}^1$

素因数の和:985908

約数の個数: 32

約数和(自身を含む): 4471915392

約数和(自身を除く): 2293140482

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 985871, 1971742, 4929355, 9858710, 12816323, 16759807, 25632646, 33519614, 64081615, 83799035, 128163230, 167598070, 217877491, 435754982, 1089387455, 2178774910]

約数ペア:

[(1, 2178774910), (2, 1089387455), (5, 435754982), (10, 217877491), (13, 167598070), (17, 128163230), (26, 83799035), (34, 64081615), (65, 33519614), (85, 25632646), (130, 16759807), (170, 12816323), (221, 9858710), (442, 4929355), (1105, 1971742), (2210, 985871)]