12919075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 17443328

約数和(自身を除く): 4524253

約数列:

[1, 5, 13, 25, 65, 127, 313, 325, 635, 1565, 1651, 3175, 4069, 7825, 8255, 20345, 39751, 41275, 101725, 198755, 516763, 993775, 2583815, 12919075]

約数ペア:

[(1, 12919075), (5, 2583815), (13, 993775), (25, 516763), (65, 198755), (127, 101725), (313, 41275), (325, 39751), (635, 20345), (1565, 8255), (1651, 7825), (3175, 4069)]