81877196

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{491}}^1\times {\mathrm{887}}^1$

素因数の和:1429

約数の個数: 24

約数和(自身を含む): 146797056

約数和(自身を除く): 64919860

約数列:

[1, 2, 4, 47, 94, 188, 491, 887, 982, 1774, 1964, 3548, 23077, 41689, 46154, 83378, 92308, 166756, 435517, 871034, 1742068, 20469299, 40938598, 81877196]

約数ペア:

[(1, 81877196), (2, 40938598), (4, 20469299), (47, 1742068), (94, 871034), (188, 435517), (491, 166756), (887, 92308), (982, 83378), (1774, 46154), (1964, 41689), (3548, 23077)]