129478690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{2417}}^1$

素因数の和:2922

約数の個数: 32

約数和(自身を含む): 254876544

約数和(自身を除く): 125397854

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 487, 974, 2417, 2435, 4834, 4870, 5357, 10714, 12085, 24170, 26587, 26785, 53174, 53570, 132935, 265870, 1177079, 2354158, 5885395, 11770790, 12947869, 25895738, 64739345, 129478690]

約数ペア:

[(1, 129478690), (2, 64739345), (5, 25895738), (10, 12947869), (11, 11770790), (22, 5885395), (55, 2354158), (110, 1177079), (487, 265870), (974, 132935), (2417, 53570), (2435, 53174), (4834, 26785), (4870, 26587), (5357, 24170), (10714, 12085)]