201208964

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{415721}}^1$

素因数の和:415747

約数の個数: 18

約数和(自身を含む): 387037182

約数和(自身を除く): 185828218

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 415721, 831442, 1662884, 4572931, 9145862, 18291724, 50302241, 100604482, 201208964]

約数ペア:

[(1, 201208964), (2, 100604482), (4, 50302241), (11, 18291724), (22, 9145862), (44, 4572931), (121, 1662884), (242, 831442), (484, 415721)]