221257868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{59929}}^1$

素因数の和:60017

約数の個数: 24

約数和(自身を含む): 422866080

約数和(自身を除く): 201608212

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 59929, 119858, 239716, 779077, 1558154, 3116308, 4254959, 8509918, 17019836, 55314467, 110628934, 221257868]

約数ペア:

[(1, 221257868), (2, 110628934), (4, 55314467), (13, 17019836), (26, 8509918), (52, 4254959), (71, 3116308), (142, 1558154), (284, 779077), (923, 239716), (1846, 119858), (3692, 59929)]