128547694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1999}}^1$

素因数の和:2128

約数の個数: 32

約数和(自身を含む): 218880000

約数和(自身を除く): 90332306

約数列:

[1, 2, 11, 22, 37, 74, 79, 158, 407, 814, 869, 1738, 1999, 2923, 3998, 5846, 21989, 32153, 43978, 64306, 73963, 147926, 157921, 315842, 813593, 1627186, 1737131, 3474262, 5843077, 11686154, 64273847, 128547694]

約数ペア:

[(1, 128547694), (2, 64273847), (11, 11686154), (22, 5843077), (37, 3474262), (74, 1737131), (79, 1627186), (158, 813593), (407, 315842), (814, 157921), (869, 147926), (1738, 73963), (1999, 64306), (2923, 43978), (3998, 32153), (5846, 21989)]