128439708

素因数分解:

$2^2\times 3^1\times {\mathrm{491}}^1\times {\mathrm{21799}}^1$

素因数の和:22297

約数の個数: 24

約数和(自身を含む): 300316800

約数和(自身を除く): 171877092

約数列:

[1, 2, 3, 4, 6, 12, 491, 982, 1473, 1964, 2946, 5892, 21799, 43598, 65397, 87196, 130794, 261588, 10703309, 21406618, 32109927, 42813236, 64219854, 128439708]

約数ペア:

[(1, 128439708), (2, 64219854), (3, 42813236), (4, 32109927), (6, 21406618), (12, 10703309), (491, 261588), (982, 130794), (1473, 87196), (1964, 65397), (2946, 43598), (5892, 21799)]