77749828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{21059}}^1$

素因数の和:21147

約数の個数: 24

約数和(自身を含む): 148599360

約数和(自身を除く): 70849532

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 21059, 42118, 84236, 273767, 547534, 1095068, 1495189, 2990378, 5980756, 19437457, 38874914, 77749828]

約数ペア:

[(1, 77749828), (2, 38874914), (4, 19437457), (13, 5980756), (26, 2990378), (52, 1495189), (71, 1095068), (142, 547534), (284, 273767), (923, 84236), (1846, 42118), (3692, 21059)]