28326475

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 36828000

約数和(自身を除く): 8501525

約数列:

[1, 5, 25, 29, 89, 145, 439, 445, 725, 2195, 2225, 2581, 10975, 12731, 12905, 39071, 63655, 64525, 195355, 318275, 976775, 1133059, 5665295, 28326475]

約数ペア:

[(1, 28326475), (5, 5665295), (25, 1133059), (29, 976775), (89, 318275), (145, 195355), (439, 64525), (445, 63655), (725, 39071), (2195, 12905), (2225, 12731), (2581, 10975)]