81192190

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{42509}}^1$

素因数の和:42707

約数の個数: 16

約数和(自身を含む): 146914560

約数和(自身を除く): 65722370

約数列:

[1, 2, 5, 10, 191, 382, 955, 1910, 42509, 85018, 212545, 425090, 8119219, 16238438, 40596095, 81192190]

約数ペア:

[(1, 81192190), (2, 40596095), (5, 16238438), (10, 8119219), (191, 425090), (382, 212545), (955, 85018), (1910, 42509)]