6438551

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 8125920

約数和(自身を除く): 1687369

約数列:

[1, 7, 23, 29, 49, 161, 197, 203, 667, 1127, 1379, 1421, 4531, 4669, 5713, 9653, 31717, 32683, 39991, 131399, 222019, 279937, 919793, 6438551]

約数ペア:

[(1, 6438551), (7, 919793), (23, 279937), (29, 222019), (49, 131399), (161, 39991), (197, 32683), (203, 31717), (667, 9653), (1127, 5713), (1379, 4669), (1421, 4531)]