12685855

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{569}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 19152000

約数和(自身を除く): 6466145

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 343, 455, 569, 637, 1715, 2845, 3185, 3983, 4459, 7397, 19915, 22295, 27881, 36985, 51779, 139405, 195167, 258895, 362453, 975835, 1812265, 2537171, 12685855]

約数ペア:

[(1, 12685855), (5, 2537171), (7, 1812265), (13, 975835), (35, 362453), (49, 258895), (65, 195167), (91, 139405), (245, 51779), (343, 36985), (455, 27881), (569, 22295), (637, 19915), (1715, 7397), (2845, 4459), (3185, 3983)]