111213128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{2143}}^1$

素因数の和:2661

約数の個数: 32

約数和(自身を含む): 225120000

約数和(自身を除く): 113906872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 499, 998, 1996, 2143, 3992, 4286, 6487, 8572, 12974, 17144, 25948, 27859, 51896, 55718, 111436, 222872, 1069357, 2138714, 4277428, 8554856, 13901641, 27803282, 55606564, 111213128]

約数ペア:

[(1, 111213128), (2, 55606564), (4, 27803282), (8, 13901641), (13, 8554856), (26, 4277428), (52, 2138714), (104, 1069357), (499, 222872), (998, 111436), (1996, 55718), (2143, 51896), (3992, 27859), (4286, 25948), (6487, 17144), (8572, 12974)]