645112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{6203}}^1$

素因数の和:6222

約数の個数: 16

約数和(自身を含む): 1302840

約数和(自身を除く): 657728

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 6203, 12406, 24812, 49624, 80639, 161278, 322556, 645112]

約数ペア:

[(1, 645112), (2, 322556), (4, 161278), (8, 80639), (13, 49624), (26, 24812), (52, 12406), (104, 6203)]