28484525

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 36995400

約数和(自身を除く): 8510875

約数列:

[1, 5, 25, 29, 101, 145, 389, 505, 725, 1945, 2525, 2929, 9725, 11281, 14645, 39289, 56405, 73225, 196445, 282025, 982225, 1139381, 5696905, 28484525]

約数ペア:

[(1, 28484525), (5, 5696905), (25, 1139381), (29, 982225), (101, 282025), (145, 196445), (389, 73225), (505, 56405), (725, 39289), (1945, 14645), (2525, 11281), (2929, 9725)]