81424325

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 103788000

約数和(自身を除く): 22363675

約数列:

[1, 5, 25, 61, 107, 305, 499, 535, 1525, 2495, 2675, 6527, 12475, 30439, 32635, 53393, 152195, 163175, 266965, 760975, 1334825, 3256973, 16284865, 81424325]

約数ペア:

[(1, 81424325), (5, 16284865), (25, 3256973), (61, 1334825), (107, 760975), (305, 266965), (499, 163175), (535, 152195), (1525, 53393), (2495, 32635), (2675, 30439), (6527, 12475)]