99870725

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1523}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 128881632

約数和(自身を除く): 29010907

約数列:

[1, 5, 25, 43, 61, 215, 305, 1075, 1523, 1525, 2623, 7615, 13115, 38075, 65489, 65575, 92903, 327445, 464515, 1637225, 2322575, 3994829, 19974145, 99870725]

約数ペア:

[(1, 99870725), (5, 19974145), (25, 3994829), (43, 2322575), (61, 1637225), (215, 464515), (305, 327445), (1075, 92903), (1523, 65575), (1525, 65489), (2623, 38075), (7615, 13115)]