209968237895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{3923}}^1\times {\mathrm{823421}}^1$

素因数の和:827362

約数の個数: 16

約数和(自身を含む): 271413065952

約数和(自身を除く): 61444828057

約数列:

[1, 5, 13, 65, 3923, 19615, 50999, 254995, 823421, 4117105, 10704473, 53522365, 3230280583, 16151402915, 41993647579, 209968237895]

約数ペア:

[(1, 209968237895), (5, 41993647579), (13, 16151402915), (65, 3230280583), (3923, 53522365), (19615, 10704473), (50999, 4117105), (254995, 823421)]