12876955

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{311}}^1$

素因数の和:356

約数の個数: 36

約数和(自身を含む): 19526832

約数和(自身を除く): 6649877

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 169, 245, 311, 455, 637, 845, 1183, 1555, 2177, 3185, 4043, 5915, 8281, 10885, 15239, 20215, 28301, 41405, 52559, 76195, 141505, 198107, 262795, 367913, 990535, 1839565, 2575391, 12876955]

約数ペア:

[(1, 12876955), (5, 2575391), (7, 1839565), (13, 990535), (35, 367913), (49, 262795), (65, 198107), (91, 141505), (169, 76195), (245, 52559), (311, 41405), (455, 28301), (637, 20215), (845, 15239), (1183, 10885), (1555, 8281), (2177, 5915), (3185, 4043)]