421052990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{4391}}^1$

素因数の和:4664

約数の個数: 32

約数和(自身を含む): 779175936

約数和(自身を除く): 358122946

約数列:

[1, 2, 5, 10, 43, 86, 215, 223, 430, 446, 1115, 2230, 4391, 8782, 9589, 19178, 21955, 43910, 47945, 95890, 188813, 377626, 944065, 979193, 1888130, 1958386, 4895965, 9791930, 42105299, 84210598, 210526495, 421052990]

約数ペア:

[(1, 421052990), (2, 210526495), (5, 84210598), (10, 42105299), (43, 9791930), (86, 4895965), (215, 1958386), (223, 1888130), (430, 979193), (446, 944065), (1115, 377626), (2230, 188813), (4391, 95890), (8782, 47945), (9589, 43910), (19178, 21955)]