221438549

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{18269}}^1$

素因数の和:18340

約数の個数: 16

約数和(自身を含む): 252564480

約数和(自身を除く): 31125931

約数列:

[1, 17, 23, 31, 391, 527, 713, 12121, 18269, 310573, 420187, 566339, 7143179, 9627763, 13025797, 221438549]

約数ペア:

[(1, 221438549), (17, 13025797), (23, 9627763), (31, 7143179), (391, 566339), (527, 420187), (713, 310573), (12121, 18269)]