90717185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1549}}^1$

素因数の和:1637

約数の個数: 32

約数和(自身を含む): 126554400

約数和(自身を除く): 35837215

約数列:

[1, 5, 13, 17, 53, 65, 85, 221, 265, 689, 901, 1105, 1549, 3445, 4505, 7745, 11713, 20137, 26333, 58565, 82097, 100685, 131665, 342329, 410485, 1067261, 1395649, 1711645, 5336305, 6978245, 18143437, 90717185]

約数ペア:

[(1, 90717185), (5, 18143437), (13, 6978245), (17, 5336305), (53, 1711645), (65, 1395649), (85, 1067261), (221, 410485), (265, 342329), (689, 131665), (901, 100685), (1105, 82097), (1549, 58565), (3445, 26333), (4505, 20137), (7745, 11713)]