80716816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{296753}}^1$

素因数の和:296778

約数の個数: 20

約数和(自身を含む): 165588732

約数和(自身を除く): 84871916

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 296753, 593506, 1187012, 2374024, 4748048, 5044801, 10089602, 20179204, 40358408, 80716816]

約数ペア:

[(1, 80716816), (2, 40358408), (4, 20179204), (8, 10089602), (16, 5044801), (17, 4748048), (34, 2374024), (68, 1187012), (136, 593506), (272, 296753)]