81069144

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{259837}}^1$

素因数の和:259859

約数の個数: 32

約数和(自身を含む): 218263920

約数和(自身を除く): 137194776

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 259837, 519674, 779511, 1039348, 1559022, 2078696, 3118044, 3377881, 6236088, 6755762, 10133643, 13511524, 20267286, 27023048, 40534572, 81069144]

約数ペア:

[(1, 81069144), (2, 40534572), (3, 27023048), (4, 20267286), (6, 13511524), (8, 10133643), (12, 6755762), (13, 6236088), (24, 3377881), (26, 3118044), (39, 2078696), (52, 1559022), (78, 1039348), (104, 779511), (156, 519674), (312, 259837)]