81941256

素因数分解:

$2^3\times 3^2\times {\mathrm{647}}^1\times {\mathrm{1759}}^1$

素因数の和:2418

約数の個数: 48

約数和(自身を含む): 222393600

約数和(自身を除く): 140452344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 647, 1294, 1759, 1941, 2588, 3518, 3882, 5176, 5277, 5823, 7036, 7764, 10554, 11646, 14072, 15528, 15831, 21108, 23292, 31662, 42216, 46584, 63324, 126648, 1138073, 2276146, 3414219, 4552292, 6828438, 9104584, 10242657, 13656876, 20485314, 27313752, 40970628, 81941256]

約数ペア:

[(1, 81941256), (2, 40970628), (3, 27313752), (4, 20485314), (6, 13656876), (8, 10242657), (9, 9104584), (12, 6828438), (18, 4552292), (24, 3414219), (36, 2276146), (72, 1138073), (647, 126648), (1294, 63324), (1759, 46584), (1941, 42216), (2588, 31662), (3518, 23292), (3882, 21108), (5176, 15831), (5277, 15528), (5823, 14072), (7036, 11646), (7764, 10554)]