218451640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{496481}}^1$

素因数の和:496503

約数の個数: 32

約数和(自身を含む): 536200560

約数和(自身を除く): 317748920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 496481, 992962, 1985924, 2482405, 3971848, 4964810, 5461291, 9929620, 10922582, 19859240, 21845164, 27306455, 43690328, 54612910, 109225820, 218451640]

約数ペア:

[(1, 218451640), (2, 109225820), (4, 54612910), (5, 43690328), (8, 27306455), (10, 21845164), (11, 19859240), (20, 10922582), (22, 9929620), (40, 5461291), (44, 4964810), (55, 3971848), (88, 2482405), (110, 1985924), (220, 992962), (440, 496481)]