13256915

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 19370880

約数和(自身を除く): 6113965

約数列:

[1, 5, 7, 29, 35, 37, 145, 185, 203, 259, 353, 1015, 1073, 1295, 1765, 2471, 5365, 7511, 10237, 12355, 13061, 37555, 51185, 65305, 71659, 91427, 358295, 378769, 457135, 1893845, 2651383, 13256915]

約数ペア:

[(1, 13256915), (5, 2651383), (7, 1893845), (29, 457135), (35, 378769), (37, 358295), (145, 91427), (185, 71659), (203, 65305), (259, 51185), (353, 37555), (1015, 13061), (1073, 12355), (1295, 10237), (1765, 7511), (2471, 5365)]