81975452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{12413}}^1$

素因数の和:12557

約数の個数: 24

約数和(自身を含む): 155721216

約数和(自身を除く): 73745764

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3302, 6604, 12413, 24826, 49652, 161369, 322738, 645476, 1576451, 3152902, 6305804, 20493863, 40987726, 81975452]

約数ペア:

[(1, 81975452), (2, 40987726), (4, 20493863), (13, 6305804), (26, 3152902), (52, 1576451), (127, 645476), (254, 322738), (508, 161369), (1651, 49652), (3302, 24826), (6604, 12413)]