217506874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{3019}}^1$

素因数の和:3214

約数の個数: 32

約数和(自身を含む): 374431680

約数和(自身を除く): 156924806

約数列:

[1, 2, 13, 17, 26, 34, 163, 221, 326, 442, 2119, 2771, 3019, 4238, 5542, 6038, 36023, 39247, 51323, 72046, 78494, 102646, 492097, 667199, 984194, 1334398, 6397261, 8365649, 12794522, 16731298, 108753437, 217506874]

約数ペア:

[(1, 217506874), (2, 108753437), (13, 16731298), (17, 12794522), (26, 8365649), (34, 6397261), (163, 1334398), (221, 984194), (326, 667199), (442, 492097), (2119, 102646), (2771, 78494), (3019, 72046), (4238, 51323), (5542, 39247), (6038, 36023)]