38878021

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{8719}}^1$

素因数の和:8753

約数の個数: 16

約数和(自身を含む): 48832000

約数和(自身を除く): 9953979

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 8719, 61033, 113347, 427231, 793429, 2990617, 5554003, 38878021]

約数ペア:

[(1, 38878021), (7, 5554003), (13, 2990617), (49, 793429), (91, 427231), (343, 113347), (637, 61033), (4459, 8719)]