30811912

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{9901}}^1$

素因数の和:10296

約数の個数: 16

約数和(自身を含む): 57926700

約数和(自身を除く): 27114788

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 9901, 19802, 39604, 79208, 3851489, 7702978, 15405956, 30811912]

約数ペア:

[(1, 30811912), (2, 15405956), (4, 7702978), (8, 3851489), (389, 79208), (778, 39604), (1556, 19802), (3112, 9901)]