1390123295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1451}}^1\times {\mathrm{17419}}^1$

素因数の和:18886

約数の個数: 16

約数和(自身を含む): 1821156480

約数和(自身を除く): 431033185

約数列:

[1, 5, 11, 55, 1451, 7255, 15961, 17419, 79805, 87095, 191609, 958045, 25274969, 126374845, 278024659, 1390123295]

約数ペア:

[(1, 1390123295), (5, 278024659), (11, 126374845), (55, 25274969), (1451, 958045), (7255, 191609), (15961, 87095), (17419, 79805)]