12995556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2179}}^1$

素因数の和:2264

約数の個数: 48

約数和(自身を含む): 35159040

約数和(自身を除く): 22163484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2179, 2982, 4358, 5964, 6537, 8716, 13074, 15253, 26148, 30506, 45759, 61012, 91518, 154709, 183036, 309418, 464127, 618836, 928254, 1082963, 1856508, 2165926, 3248889, 4331852, 6497778, 12995556]

約数ペア:

[(1, 12995556), (2, 6497778), (3, 4331852), (4, 3248889), (6, 2165926), (7, 1856508), (12, 1082963), (14, 928254), (21, 618836), (28, 464127), (42, 309418), (71, 183036), (84, 154709), (142, 91518), (213, 61012), (284, 45759), (426, 30506), (497, 26148), (852, 15253), (994, 13074), (1491, 8716), (1988, 6537), (2179, 5964), (2982, 4358)]