9998725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 13695552

約数和(自身を除く): 3696827

約数列:

[1, 5, 11, 25, 55, 103, 275, 353, 515, 1133, 1765, 2575, 3883, 5665, 8825, 19415, 28325, 36359, 97075, 181795, 399949, 908975, 1999745, 9998725]

約数ペア:

[(1, 9998725), (5, 1999745), (11, 908975), (25, 399949), (55, 181795), (103, 97075), (275, 36359), (353, 28325), (515, 19415), (1133, 8825), (1765, 5665), (2575, 3883)]