12111110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4787}}^1$

素因数の和:4828

約数の個数: 32

約数和(自身を含む): 24820992

約数和(自身を除く): 12709882

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 4787, 9574, 23935, 47870, 52657, 105314, 110101, 220202, 263285, 526570, 550505, 1101010, 1211111, 2422222, 6055555, 12111110]

約数ペア:

[(1, 12111110), (2, 6055555), (5, 2422222), (10, 1211111), (11, 1101010), (22, 550505), (23, 526570), (46, 263285), (55, 220202), (110, 110101), (115, 105314), (230, 52657), (253, 47870), (506, 23935), (1265, 9574), (2530, 4787)]