13311919985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1553}}^1\times {\mathrm{18839}}^1$

素因数の和:20417

約数の個数: 32

約数和(自身を含む): 19674385920

約数和(自身を除く): 6362465935

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 1553, 7765, 10871, 18839, 20189, 54355, 94195, 100945, 131873, 141323, 244907, 659365, 706615, 1224535, 1714349, 8571745, 29256967, 146284835, 204798769, 380340571, 1023993845, 1901702855, 2662383997, 13311919985]

約数ペア:

[(1, 13311919985), (5, 2662383997), (7, 1901702855), (13, 1023993845), (35, 380340571), (65, 204798769), (91, 146284835), (455, 29256967), (1553, 8571745), (7765, 1714349), (10871, 1224535), (18839, 706615), (20189, 659365), (54355, 244907), (94195, 141323), (100945, 131873)]