8131175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 10999296

約数和(自身を除く): 2868121

約数列:

[1, 5, 13, 25, 65, 127, 197, 325, 635, 985, 1651, 2561, 3175, 4925, 8255, 12805, 25019, 41275, 64025, 125095, 325247, 625475, 1626235, 8131175]

約数ペア:

[(1, 8131175), (5, 1626235), (13, 625475), (25, 325247), (65, 125095), (127, 64025), (197, 41275), (325, 25019), (635, 12805), (985, 8255), (1651, 4925), (2561, 3175)]