81742270

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{42797}}^1$

素因数の和:42995

約数の個数: 16

約数和(自身を含む): 147909888

約数和(自身を除く): 66167618

約数列:

[1, 2, 5, 10, 191, 382, 955, 1910, 42797, 85594, 213985, 427970, 8174227, 16348454, 40871135, 81742270]

約数ペア:

[(1, 81742270), (2, 40871135), (5, 16348454), (10, 8174227), (191, 427970), (382, 213985), (955, 85594), (1910, 42797)]