131256368

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{81223}}^1$

素因数の和:81332

約数の個数: 20

約数和(自身を含む): 256830288

約数和(自身を除く): 125573920

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 81223, 162446, 324892, 649784, 1299568, 8203523, 16407046, 32814092, 65628184, 131256368]

約数ペア:

[(1, 131256368), (2, 65628184), (4, 32814092), (8, 16407046), (16, 8203523), (101, 1299568), (202, 649784), (404, 324892), (808, 162446), (1616, 81223)]