64478564

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{439}}^1\times {\mathrm{503}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 114871680

約数和(自身を除く): 50393116

約数列:

[1, 2, 4, 73, 146, 292, 439, 503, 878, 1006, 1756, 2012, 32047, 36719, 64094, 73438, 128188, 146876, 220817, 441634, 883268, 16119641, 32239282, 64478564]

約数ペア:

[(1, 64478564), (2, 32239282), (4, 16119641), (73, 883268), (146, 441634), (292, 220817), (439, 146876), (503, 128188), (878, 73438), (1006, 64094), (1756, 36719), (2012, 32047)]