12991272

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{11047}}^1$

素因数の和:11070

約数の個数: 48

約数和(自身を含む): 37784160

約数和(自身を除く): 24792888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 11047, 22094, 33141, 44188, 66282, 77329, 88376, 132564, 154658, 231987, 265128, 309316, 463974, 541303, 618632, 927948, 1082606, 1623909, 1855896, 2165212, 3247818, 4330424, 6495636, 12991272]

約数ペア:

[(1, 12991272), (2, 6495636), (3, 4330424), (4, 3247818), (6, 2165212), (7, 1855896), (8, 1623909), (12, 1082606), (14, 927948), (21, 618632), (24, 541303), (28, 463974), (42, 309316), (49, 265128), (56, 231987), (84, 154658), (98, 132564), (147, 88376), (168, 77329), (196, 66282), (294, 44188), (392, 33141), (588, 22094), (1176, 11047)]