128538148

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{23473}}^1$

素因数の和:23551

約数の個数: 18

約数和(自身を含む): 231195426

約数和(自身を除く): 102657278

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 5476, 23473, 46946, 93892, 868501, 1737002, 3474004, 32134537, 64269074, 128538148]

約数ペア:

[(1, 128538148), (2, 64269074), (4, 32134537), (37, 3474004), (74, 1737002), (148, 868501), (1369, 93892), (2738, 46946), (5476, 23473)]