38943376

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{39901}}^1$

素因数の和:39970

約数の個数: 20

約数和(自身を含む): 76691644

約数和(自身を除く): 37748268

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 39901, 79802, 159604, 319208, 638416, 2433961, 4867922, 9735844, 19471688, 38943376]

約数ペア:

[(1, 38943376), (2, 19471688), (4, 9735844), (8, 4867922), (16, 2433961), (61, 638416), (122, 319208), (244, 159604), (488, 79802), (976, 39901)]