217856772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{864511}}^1$

素因数の和:864528

約数の個数: 36

約数和(自身を含む): 629364736

約数和(自身を除く): 411507964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 864511, 1729022, 2593533, 3458044, 5187066, 6051577, 7780599, 10374132, 12103154, 15561198, 18154731, 24206308, 31122396, 36309462, 54464193, 72618924, 108928386, 217856772]

約数ペア:

[(1, 217856772), (2, 108928386), (3, 72618924), (4, 54464193), (6, 36309462), (7, 31122396), (9, 24206308), (12, 18154731), (14, 15561198), (18, 12103154), (21, 10374132), (28, 7780599), (36, 6051577), (42, 5187066), (63, 3458044), (84, 2593533), (126, 1729022), (252, 864511)]