218518417

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{1327}}^1$

素因数の和:1632

約数の個数: 16

約数和(自身を含む): 240952320

約数和(自身を除く): 22433903

約数列:

[1, 13, 53, 239, 689, 1327, 3107, 12667, 17251, 70331, 164671, 317153, 914303, 4122989, 16809109, 218518417]

約数ペア:

[(1, 218518417), (13, 16809109), (53, 4122989), (239, 914303), (689, 317153), (1327, 164671), (3107, 70331), (12667, 17251)]