131088304

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{81119}}^1$

素因数の和:81228

約数の個数: 20

約数和(自身を含む): 256501440

約数和(自身を除く): 125413136

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 81119, 162238, 324476, 648952, 1297904, 8193019, 16386038, 32772076, 65544152, 131088304]

約数ペア:

[(1, 131088304), (2, 65544152), (4, 32772076), (8, 16386038), (16, 8193019), (101, 1297904), (202, 648952), (404, 324476), (808, 162238), (1616, 81119)]