66397456

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{10453}}^1$

素因数の和:10858

約数の個数: 20

約数和(自身を含む): 128981452

約数和(自身を除く): 62583996

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 6352, 10453, 20906, 41812, 83624, 167248, 4149841, 8299682, 16599364, 33198728, 66397456]

約数ペア:

[(1, 66397456), (2, 33198728), (4, 16599364), (8, 8299682), (16, 4149841), (397, 167248), (794, 83624), (1588, 41812), (3176, 20906), (6352, 10453)]