145721962

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1\times {\mathrm{2381}}^1$

素因数の和:2885

約数の個数: 16

約数和(自身を含む): 222269184

約数和(自身を除く): 76547222

約数列:

[1, 2, 71, 142, 431, 862, 2381, 4762, 30601, 61202, 169051, 338102, 1026211, 2052422, 72860981, 145721962]

約数ペア:

[(1, 145721962), (2, 72860981), (71, 2052422), (142, 1026211), (431, 338102), (862, 169051), (2381, 61202), (4762, 30601)]