66878768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{379993}}^1$

素因数の和:380012

約数の個数: 20

約数和(自身を含む): 141357768

約数和(自身を除く): 74479000

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 379993, 759986, 1519972, 3039944, 4179923, 6079888, 8359846, 16719692, 33439384, 66878768]

約数ペア:

[(1, 66878768), (2, 33439384), (4, 16719692), (8, 8359846), (11, 6079888), (16, 4179923), (22, 3039944), (44, 1519972), (88, 759986), (176, 379993)]