66821275

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{571}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 86248448

約数和(自身を除く): 19427173

約数列:

[1, 5, 25, 31, 151, 155, 571, 755, 775, 2855, 3775, 4681, 14275, 17701, 23405, 86221, 88505, 117025, 431105, 442525, 2155525, 2672851, 13364255, 66821275]

約数ペア:

[(1, 66821275), (5, 13364255), (25, 2672851), (31, 2155525), (151, 442525), (155, 431105), (571, 117025), (755, 88505), (775, 86221), (2855, 23405), (3775, 17701), (4681, 14275)]