66789695

素因数分解:

$5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{2081}}^1$

素因数の和:2231

約数の個数: 24

約数和(自身を含む): 93989808

約数和(自身を除く): 27200113

約数列:

[1, 5, 7, 35, 49, 131, 245, 655, 917, 2081, 4585, 6419, 10405, 14567, 32095, 72835, 101969, 272611, 509845, 1363055, 1908277, 9541385, 13357939, 66789695]

約数ペア:

[(1, 66789695), (5, 13357939), (7, 9541385), (35, 1908277), (49, 1363055), (131, 509845), (245, 272611), (655, 101969), (917, 72835), (2081, 32095), (4585, 14567), (6419, 10405)]