78536525

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 100530024

約数和(自身を除く): 21993499

約数列:

[1, 5, 25, 41, 193, 205, 397, 965, 1025, 1985, 4825, 7913, 9925, 16277, 39565, 76621, 81385, 197825, 383105, 406925, 1915525, 3141461, 15707305, 78536525]

約数ペア:

[(1, 78536525), (5, 15707305), (25, 3141461), (41, 1915525), (193, 406925), (205, 383105), (397, 197825), (965, 81385), (1025, 76621), (1985, 39565), (4825, 16277), (7913, 9925)]