12684490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 28740096

約数和(自身を除く): 16055606

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 53, 65, 70, 91, 106, 130, 182, 263, 265, 371, 455, 526, 530, 689, 742, 910, 1315, 1378, 1841, 1855, 2630, 3419, 3445, 3682, 3710, 4823, 6838, 6890, 9205, 9646, 13939, 17095, 18410, 23933, 24115, 27878, 34190, 47866, 48230, 69695, 97573, 119665, 139390, 181207, 195146, 239330, 362414, 487865, 906035, 975730, 1268449, 1812070, 2536898, 6342245, 12684490]

約数ペア:

[(1, 12684490), (2, 6342245), (5, 2536898), (7, 1812070), (10, 1268449), (13, 975730), (14, 906035), (26, 487865), (35, 362414), (53, 239330), (65, 195146), (70, 181207), (91, 139390), (106, 119665), (130, 97573), (182, 69695), (263, 48230), (265, 47866), (371, 34190), (455, 27878), (526, 24115), (530, 23933), (689, 18410), (742, 17095), (910, 13939), (1315, 9646), (1378, 9205), (1841, 6890), (1855, 6838), (2630, 4823), (3419, 3710), (3445, 3682)]