2179825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 2999808

約数和(自身を除く): 819983

約数列:

[1, 5, 17, 23, 25, 85, 115, 223, 391, 425, 575, 1115, 1955, 3791, 5129, 5575, 9775, 18955, 25645, 87193, 94775, 128225, 435965, 2179825]

約数ペア:

[(1, 2179825), (5, 435965), (17, 128225), (23, 94775), (25, 87193), (85, 25645), (115, 18955), (223, 9775), (391, 5575), (425, 5129), (575, 3791), (1115, 1955)]