64757788

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{1721}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 118611360

約数和(自身を除く): 53853572

約数列:

[1, 2, 4, 23, 46, 92, 409, 818, 1636, 1721, 3442, 6884, 9407, 18814, 37628, 39583, 79166, 158332, 703889, 1407778, 2815556, 16189447, 32378894, 64757788]

約数ペア:

[(1, 64757788), (2, 32378894), (4, 16189447), (23, 2815556), (46, 1407778), (92, 703889), (409, 158332), (818, 79166), (1636, 39583), (1721, 37628), (3442, 18814), (6884, 9407)]