221337487

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{25939}}^1$

素因数の和:26022

約数の個数: 16

約数和(自身を含む): 268945920

約数和(自身を除く): 47608433

約数列:

[1, 7, 23, 53, 161, 371, 1219, 8533, 25939, 181573, 596597, 1374767, 4176179, 9623369, 31619641, 221337487]

約数ペア:

[(1, 221337487), (7, 31619641), (23, 9623369), (53, 4176179), (161, 1374767), (371, 596597), (1219, 181573), (8533, 25939)]