51216991

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{6379}}^1$

素因数の和:6454

約数の個数: 16

約数和(自身を含む): 62064640

約数和(自身を除く): 10847649

約数列:

[1, 7, 31, 37, 217, 259, 1147, 6379, 8029, 44653, 197749, 236023, 1384243, 1652161, 7316713, 51216991]

約数ペア:

[(1, 51216991), (7, 7316713), (31, 1652161), (37, 1384243), (217, 236023), (259, 197749), (1147, 44653), (6379, 8029)]