78868728

素因数分解:

$2^3\times 3^4\times {\mathrm{121711}}^1$

素因数の和:121729

約数の個数: 40

約数和(自身を含む): 220907280

約数和(自身を除く): 142038552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 121711, 243422, 365133, 486844, 730266, 973688, 1095399, 1460532, 2190798, 2921064, 3286197, 4381596, 6572394, 8763192, 9858591, 13144788, 19717182, 26289576, 39434364, 78868728]

約数ペア:

[(1, 78868728), (2, 39434364), (3, 26289576), (4, 19717182), (6, 13144788), (8, 9858591), (9, 8763192), (12, 6572394), (18, 4381596), (24, 3286197), (27, 2921064), (36, 2190798), (54, 1460532), (72, 1095399), (81, 973688), (108, 730266), (162, 486844), (216, 365133), (324, 243422), (648, 121711)]