12784970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1637}}^1$

素因数の和:1726

約数の個数: 32

約数和(自身を含む): 25474176

約数和(自身を除く): 12689206

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 1637, 3274, 3905, 7810, 8185, 16370, 18007, 36014, 90035, 116227, 180070, 232454, 581135, 1162270, 1278497, 2556994, 6392485, 12784970]

約数ペア:

[(1, 12784970), (2, 6392485), (5, 2556994), (10, 1278497), (11, 1162270), (22, 581135), (55, 232454), (71, 180070), (110, 116227), (142, 90035), (355, 36014), (710, 18007), (781, 16370), (1562, 8185), (1637, 7810), (3274, 3905)]