128518984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{13649}}^1$

素因数の和:13773

約数の個数: 32

約数和(自身を含む): 265356000

約数和(自身を除く): 136837016

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 107, 214, 428, 856, 1177, 2354, 4708, 9416, 13649, 27298, 54596, 109192, 150139, 300278, 600556, 1201112, 1460443, 2920886, 5841772, 11683544, 16064873, 32129746, 64259492, 128518984]

約数ペア:

[(1, 128518984), (2, 64259492), (4, 32129746), (8, 16064873), (11, 11683544), (22, 5841772), (44, 2920886), (88, 1460443), (107, 1201112), (214, 600556), (428, 300278), (856, 150139), (1177, 109192), (2354, 54596), (4708, 27298), (9416, 13649)]