1298203475

素因数分解:

$5^2\times {\mathrm{149}}^2\times {\mathrm{2339}}^1$

素因数の和:2647

約数の個数: 18

約数和(自身を含む): 1621341540

約数和(自身を除く): 323138065

約数列:

[1, 5, 25, 149, 745, 2339, 3725, 11695, 22201, 58475, 111005, 348511, 555025, 1742555, 8712775, 51928139, 259640695, 1298203475]

約数ペア:

[(1, 1298203475), (5, 259640695), (25, 51928139), (149, 8712775), (745, 1742555), (2339, 555025), (3725, 348511), (11695, 111005), (22201, 58475)]