56872208

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{209089}}^1$

素因数の和:209114

約数の個数: 20

約数和(自身を含む): 116672220

約数和(自身を除く): 59800012

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 209089, 418178, 836356, 1672712, 3345424, 3554513, 7109026, 14218052, 28436104, 56872208]

約数ペア:

[(1, 56872208), (2, 28436104), (4, 14218052), (8, 7109026), (16, 3554513), (17, 3345424), (34, 1672712), (68, 836356), (136, 418178), (272, 209089)]