128238478

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{5477}}^1$

素因数の和:6011

約数の個数: 16

約数和(自身を含む): 201152160

約数和(自身を除く): 72913682

約数列:

[1, 2, 23, 46, 509, 1018, 5477, 10954, 11707, 23414, 125971, 251942, 2787793, 5575586, 64119239, 128238478]

約数ペア:

[(1, 128238478), (2, 64119239), (23, 5575586), (46, 2787793), (509, 251942), (1018, 125971), (5477, 23414), (10954, 11707)]