1640302318

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1\times {\mathrm{18911}}^1$

素因数の和:20343

約数の個数: 16

約数和(自身を含む): 2541772800

約数和(自身を除く): 901470482

約数列:

[1, 2, 31, 62, 1399, 2798, 18911, 37822, 43369, 86738, 586241, 1172482, 26456489, 52912978, 820151159, 1640302318]

約数ペア:

[(1, 1640302318), (2, 820151159), (31, 52912978), (62, 26456489), (1399, 1172482), (2798, 586241), (18911, 86738), (37822, 43369)]