2781412

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 5061056

約数和(自身を除く): 2279644

約数列:

[1, 2, 4, 43, 86, 103, 157, 172, 206, 314, 412, 628, 4429, 6751, 8858, 13502, 16171, 17716, 27004, 32342, 64684, 695353, 1390706, 2781412]

約数ペア:

[(1, 2781412), (2, 1390706), (4, 695353), (43, 64684), (86, 32342), (103, 27004), (157, 17716), (172, 16171), (206, 13502), (314, 8858), (412, 6751), (628, 4429)]