128205835

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{4723}}^1$

素因数の和:4878

約数の個数: 16

約数和(自身を含む): 158159520

約数和(自身を除く): 29953685

約数列:

[1, 5, 61, 89, 305, 445, 4723, 5429, 23615, 27145, 288103, 420347, 1440515, 2101735, 25641167, 128205835]

約数ペア:

[(1, 128205835), (5, 25641167), (61, 2101735), (89, 1440515), (305, 420347), (445, 288103), (4723, 27145), (5429, 23615)]