78427736

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{138077}}^1$

素因数の和:138154

約数の個数: 16

約数和(自身を含む): 149124240

約数和(自身を除く): 70696504

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 138077, 276154, 552308, 1104616, 9803467, 19606934, 39213868, 78427736]

約数ペア:

[(1, 78427736), (2, 39213868), (4, 19606934), (8, 9803467), (71, 1104616), (142, 552308), (284, 276154), (568, 138077)]