128914816

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{43789}}^1$

素因数の和:43826

約数の個数: 32

約数和(自身を含む): 267994800

約数和(自身を除く): 139079984

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 43789, 87578, 175156, 350312, 700624, 1007147, 1401248, 2014294, 2802496, 4028588, 5604992, 8057176, 16114352, 32228704, 64457408, 128914816]

約数ペア:

[(1, 128914816), (2, 64457408), (4, 32228704), (8, 16114352), (16, 8057176), (23, 5604992), (32, 4028588), (46, 2802496), (64, 2014294), (92, 1401248), (128, 1007147), (184, 700624), (368, 350312), (736, 175156), (1472, 87578), (2944, 43789)]