81253064

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{2221}}^1$

素因数の和:2513

約数の個数: 32

約数和(自身を含む): 161983800

約数和(自身を除く): 80730736

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 269, 538, 1076, 2152, 2221, 4442, 4573, 8884, 9146, 17768, 18292, 36584, 37757, 75514, 151028, 302056, 597449, 1194898, 2389796, 4779592, 10156633, 20313266, 40626532, 81253064]

約数ペア:

[(1, 81253064), (2, 40626532), (4, 20313266), (8, 10156633), (17, 4779592), (34, 2389796), (68, 1194898), (136, 597449), (269, 302056), (538, 151028), (1076, 75514), (2152, 37757), (2221, 36584), (4442, 18292), (4573, 17768), (8884, 9146)]