13998215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 21206016

約数和(自身を除く): 7207801

約数列:

[1, 5, 7, 11, 35, 55, 77, 103, 353, 385, 515, 721, 1133, 1765, 2471, 3605, 3883, 5665, 7931, 12355, 19415, 27181, 36359, 39655, 135905, 181795, 254513, 399949, 1272565, 1999745, 2799643, 13998215]

約数ペア:

[(1, 13998215), (5, 2799643), (7, 1999745), (11, 1272565), (35, 399949), (55, 254513), (77, 181795), (103, 135905), (353, 39655), (385, 36359), (515, 27181), (721, 19415), (1133, 12355), (1765, 7931), (2471, 5665), (3605, 3883)]