81851530

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{41549}}^1$

素因数の和:41753

約数の個数: 16

約数和(自身を含む): 148084200

約数和(自身を除く): 66232670

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 41549, 83098, 207745, 415490, 8185153, 16370306, 40925765, 81851530]

約数ペア:

[(1, 81851530), (2, 40925765), (5, 16370306), (10, 8185153), (197, 415490), (394, 207745), (985, 83098), (1970, 41549)]