25405412

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{21977}}^1$

素因数の和:22015

約数の個数: 18

約数和(自身を含む): 47230722

約数和(自身を除く): 21825310

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 21977, 43954, 87908, 373609, 747218, 1494436, 6351353, 12702706, 25405412]

約数ペア:

[(1, 25405412), (2, 12702706), (4, 6351353), (17, 1494436), (34, 747218), (68, 373609), (289, 87908), (578, 43954), (1156, 21977)]