22640401

素因数分解:

$7^3\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:613

約数の個数: 16

約数和(自身を含む): 26640000

約数和(自身を除く): 3999599

約数列:

[1, 7, 49, 149, 343, 443, 1043, 3101, 7301, 21707, 51107, 66007, 151949, 462049, 3234343, 22640401]

約数ペア:

[(1, 22640401), (7, 3234343), (49, 462049), (149, 151949), (343, 66007), (443, 51107), (1043, 21707), (3101, 7301)]