12840233

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 15434496

約数和(自身を除く): 2594263

約数列:

[1, 7, 23, 161, 173, 461, 1211, 3227, 3979, 10603, 27853, 74221, 79753, 558271, 1834319, 12840233]

約数ペア:

[(1, 12840233), (7, 1834319), (23, 558271), (161, 79753), (173, 74221), (461, 27853), (1211, 10603), (3227, 3979)]