71528144

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{43403}}^1$

素因数の和:43514

約数の個数: 20

約数和(自身を含む): 139934496

約数和(自身を除く): 68406352

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 43403, 86806, 173612, 347224, 694448, 4470509, 8941018, 17882036, 35764072, 71528144]

約数ペア:

[(1, 71528144), (2, 35764072), (4, 17882036), (8, 8941018), (16, 4470509), (103, 694448), (206, 347224), (412, 173612), (824, 86806), (1648, 43403)]