128881854

素因数分解:

$2^1\times 3^5\times {\mathrm{509}}^1\times {\mathrm{521}}^1$

素因数の和:1047

約数の個数: 48

約数和(自身を含む): 290712240

約数和(自身を除く): 161830386

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 509, 521, 1018, 1042, 1527, 1563, 3054, 3126, 4581, 4689, 9162, 9378, 13743, 14067, 27486, 28134, 41229, 42201, 82458, 84402, 123687, 126603, 247374, 253206, 265189, 530378, 795567, 1591134, 2386701, 4773402, 7160103, 14320206, 21480309, 42960618, 64440927, 128881854]

約数ペア:

[(1, 128881854), (2, 64440927), (3, 42960618), (6, 21480309), (9, 14320206), (18, 7160103), (27, 4773402), (54, 2386701), (81, 1591134), (162, 795567), (243, 530378), (486, 265189), (509, 253206), (521, 247374), (1018, 126603), (1042, 123687), (1527, 84402), (1563, 82458), (3054, 42201), (3126, 41229), (4581, 28134), (4689, 27486), (9162, 14067), (9378, 13743)]