78875612

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{54623}}^1$

素因数の和:54665

約数の個数: 18

約数和(自身を含む): 145682208

約数和(自身を除く): 66806596

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 54623, 109246, 218492, 1037837, 2075674, 4151348, 19718903, 39437806, 78875612]

約数ペア:

[(1, 78875612), (2, 39437806), (4, 19718903), (19, 4151348), (38, 2075674), (76, 1037837), (361, 218492), (722, 109246), (1444, 54623)]