77973904

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{68639}}^1$

素因数の和:68718

約数の個数: 20

約数和(自身を含む): 153204480

約数和(自身を除く): 75230576

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 68639, 137278, 274556, 549112, 1098224, 4873369, 9746738, 19493476, 38986952, 77973904]

約数ペア:

[(1, 77973904), (2, 38986952), (4, 19493476), (8, 9746738), (16, 4873369), (71, 1098224), (142, 549112), (284, 274556), (568, 137278), (1136, 68639)]