217967518

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 345201120

約数和(自身を除く): 127233602

約数列:

[1, 2, 37, 61, 74, 109, 122, 218, 443, 886, 2257, 4033, 4514, 6649, 8066, 13298, 16391, 27023, 32782, 48287, 54046, 96574, 246013, 492026, 999851, 1786619, 1999702, 2945507, 3573238, 5891014, 108983759, 217967518]

約数ペア:

[(1, 217967518), (2, 108983759), (37, 5891014), (61, 3573238), (74, 2945507), (109, 1999702), (122, 1786619), (218, 999851), (443, 492026), (886, 246013), (2257, 96574), (4033, 54046), (4514, 48287), (6649, 32782), (8066, 27023), (13298, 16391)]