221277982

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{7687}}^1$

素因数の和:8115

約数の個数: 16

約数和(自身を含む): 341808480

約数和(自身を除く): 120530498

約数列:

[1, 2, 37, 74, 389, 778, 7687, 14393, 15374, 28786, 284419, 568838, 2990243, 5980486, 110638991, 221277982]

約数ペア:

[(1, 221277982), (2, 110638991), (37, 5980486), (74, 2990243), (389, 568838), (778, 284419), (7687, 28786), (14393, 15374)]