664116044

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{81667}}^1$

素因数の和:81797

約数の個数: 24

約数和(自身を含む): 1234820160

約数和(自身を除く): 570704116

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 428, 2033, 4066, 8132, 81667, 163334, 326668, 1551673, 3103346, 6206692, 8738369, 17476738, 34953476, 166029011, 332058022, 664116044]

約数ペア:

[(1, 664116044), (2, 332058022), (4, 166029011), (19, 34953476), (38, 17476738), (76, 8738369), (107, 6206692), (214, 3103346), (428, 1551673), (2033, 326668), (4066, 163334), (8132, 81667)]