278203412

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{675251}}^1$

素因数の和:675358

約数の個数: 12

約数和(自身を含む): 491583456

約数和(自身を除く): 213380044

約数列:

[1, 2, 4, 103, 206, 412, 675251, 1350502, 2701004, 69550853, 139101706, 278203412]

約数ペア:

[(1, 278203412), (2, 139101706), (4, 69550853), (103, 2701004), (206, 1350502), (412, 675251)]