40806786818

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{153408973}}^1$

素因数の和:153409001

約数の個数: 16

約数和(自身を含む): 73636307520

約数和(自身を除く): 32829520702

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 153408973, 306817946, 1073862811, 2147725622, 2914770487, 5829540974, 20403393409, 40806786818]

約数ペア:

[(1, 40806786818), (2, 20403393409), (7, 5829540974), (14, 2914770487), (19, 2147725622), (38, 1073862811), (133, 306817946), (266, 153408973)]