123257728

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{87541}}^1$

素因数の和:87566

約数の個数: 32

約数和(自身を含む): 267878520

約数和(自身を除く): 144620792

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 87541, 175082, 350164, 700328, 962951, 1400656, 1925902, 2801312, 3851804, 5602624, 7703608, 11205248, 15407216, 30814432, 61628864, 123257728]

約数ペア:

[(1, 123257728), (2, 61628864), (4, 30814432), (8, 15407216), (11, 11205248), (16, 7703608), (22, 5602624), (32, 3851804), (44, 2801312), (64, 1925902), (88, 1400656), (128, 962951), (176, 700328), (352, 350164), (704, 175082), (1408, 87541)]