128538452

素因数分解:

$2^2\times 7^1\times {\mathrm{1427}}^1\times {\mathrm{3217}}^1$

素因数の和:4655

約数の個数: 24

約数和(自身を含む): 257337024

約数和(自身を除く): 128798572

約数列:

[1, 2, 4, 7, 14, 28, 1427, 2854, 3217, 5708, 6434, 9989, 12868, 19978, 22519, 39956, 45038, 90076, 4590659, 9181318, 18362636, 32134613, 64269226, 128538452]

約数ペア:

[(1, 128538452), (2, 64269226), (4, 32134613), (7, 18362636), (14, 9181318), (28, 4590659), (1427, 90076), (2854, 45038), (3217, 39956), (5708, 22519), (6434, 19978), (9989, 12868)]