13195825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 17643960

約数和(自身を除く): 4448135

約数列:

[1, 5, 17, 25, 61, 85, 305, 425, 509, 1037, 1525, 2545, 5185, 8653, 12725, 25925, 31049, 43265, 155245, 216325, 527833, 776225, 2639165, 13195825]

約数ペア:

[(1, 13195825), (5, 2639165), (17, 776225), (25, 527833), (61, 216325), (85, 155245), (305, 43265), (425, 31049), (509, 25925), (1037, 12725), (1525, 8653), (2545, 5185)]