78909665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 105670656

約数和(自身を除く): 26760991

約数列:

[1, 5, 17, 23, 85, 115, 181, 223, 391, 905, 1115, 1955, 3077, 3791, 4163, 5129, 15385, 18955, 20815, 25645, 40363, 70771, 87193, 201815, 353855, 435965, 686171, 928349, 3430855, 4641745, 15781933, 78909665]

約数ペア:

[(1, 78909665), (5, 15781933), (17, 4641745), (23, 3430855), (85, 928349), (115, 686171), (181, 435965), (223, 353855), (391, 201815), (905, 87193), (1115, 70771), (1955, 40363), (3077, 25645), (3791, 20815), (4163, 18955), (5129, 15385)]