67417679

素因数分解:

$7^4\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:724

約数の個数: 20

約数和(自身を含む): 80601576

約数和(自身を除く): 13183897

約数列:

[1, 7, 43, 49, 301, 343, 653, 2107, 2401, 4571, 14749, 28079, 31997, 103243, 196553, 223979, 1375871, 1567853, 9631097, 67417679]

約数ペア:

[(1, 67417679), (7, 9631097), (43, 1567853), (49, 1375871), (301, 223979), (343, 196553), (653, 103243), (2107, 31997), (2401, 28079), (4571, 14749)]