398889052807

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{5413}}^1\times {\mathrm{284521}}^1$

素因数の和:289978

約数の個数: 16

約数和(自身を含む): 468282240832

約数和(自身を除く): 69393188025

約数列:

[1, 7, 37, 259, 5413, 37891, 200281, 284521, 1401967, 1991647, 10527277, 73690939, 1540112173, 10780785211, 56984150401, 398889052807]

約数ペア:

[(1, 398889052807), (7, 56984150401), (37, 10780785211), (259, 1540112173), (5413, 73690939), (37891, 10527277), (200281, 1991647), (284521, 1401967)]