1905470285

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{138731}}^1$

素因数の和:138844

約数の個数: 16

約数和(自身を含む): 2377311552

約数和(自身を除く): 471841267

約数列:

[1, 5, 41, 67, 205, 335, 2747, 13735, 138731, 693655, 5687971, 9294977, 28439855, 46474885, 381094057, 1905470285]

約数ペア:

[(1, 1905470285), (5, 381094057), (41, 46474885), (67, 28439855), (205, 9294977), (335, 5687971), (2747, 693655), (13735, 138731)]