218507044

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109913}}^1$

素因数の和:109995

約数の個数: 24

約数和(自身を含む): 443173248

約数和(自身を除く): 224666204

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 109913, 219826, 439652, 769391, 1538782, 3077564, 7803823, 15607646, 31215292, 54626761, 109253522, 218507044]

約数ペア:

[(1, 218507044), (2, 109253522), (4, 54626761), (7, 31215292), (14, 15607646), (28, 7803823), (71, 3077564), (142, 1538782), (284, 769391), (497, 439652), (994, 219826), (1988, 109913)]