128790776

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{2861}}^1$

素因数の和:3215

約数の個数: 32

約数和(自身を含む): 256549680

約数和(自身を除く): 127758904

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 331, 662, 1324, 2648, 2861, 5627, 5722, 11254, 11444, 22508, 22888, 45016, 48637, 97274, 194548, 389096, 946991, 1893982, 3787964, 7575928, 16098847, 32197694, 64395388, 128790776]

約数ペア:

[(1, 128790776), (2, 64395388), (4, 32197694), (8, 16098847), (17, 7575928), (34, 3787964), (68, 1893982), (136, 946991), (331, 389096), (662, 194548), (1324, 97274), (2648, 48637), (2861, 45016), (5627, 22888), (5722, 22508), (11254, 11444)]