78139216

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{61819}}^1$

素因数の和:61906

約数の個数: 20

約数和(自身を含む): 153313600

約数和(自身を除く): 75174384

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 61819, 123638, 247276, 494552, 989104, 4883701, 9767402, 19534804, 39069608, 78139216]

約数ペア:

[(1, 78139216), (2, 39069608), (4, 19534804), (8, 9767402), (16, 4883701), (79, 989104), (158, 494552), (316, 247276), (632, 123638), (1264, 61819)]