81078504

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{259867}}^1$

素因数の和:259889

約数の個数: 32

約数和(自身を含む): 218289120

約数和(自身を除く): 137210616

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 259867, 519734, 779601, 1039468, 1559202, 2078936, 3118404, 3378271, 6236808, 6756542, 10134813, 13513084, 20269626, 27026168, 40539252, 81078504]

約数ペア:

[(1, 81078504), (2, 40539252), (3, 27026168), (4, 20269626), (6, 13513084), (8, 10134813), (12, 6756542), (13, 6236808), (24, 3378271), (26, 3118404), (39, 2078936), (52, 1559202), (78, 1039468), (104, 779601), (156, 519734), (312, 259867)]