1388330032

素因数分解:

$2^4\times {\mathrm{1223}}^1\times {\mathrm{70949}}^1$

素因数の和:72180

約数の個数: 20

約数和(自身を含む): 2692126800

約数和(自身を除く): 1303796768

約数列:

[1, 2, 4, 8, 16, 1223, 2446, 4892, 9784, 19568, 70949, 141898, 283796, 567592, 1135184, 86770627, 173541254, 347082508, 694165016, 1388330032]

約数ペア:

[(1, 1388330032), (2, 694165016), (4, 347082508), (8, 173541254), (16, 86770627), (1223, 1135184), (2446, 567592), (4892, 283796), (9784, 141898), (19568, 70949)]