81198724

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{9859}}^1$

素因数の和:9963

約数の個数: 24

約数和(自身を含む): 149083200

約数和(自身を除く): 67884476

約数列:

[1, 2, 4, 29, 58, 71, 116, 142, 284, 2059, 4118, 8236, 9859, 19718, 39436, 285911, 571822, 699989, 1143644, 1399978, 2799956, 20299681, 40599362, 81198724]

約数ペア:

[(1, 81198724), (2, 40599362), (4, 20299681), (29, 2799956), (58, 1399978), (71, 1143644), (116, 699989), (142, 571822), (284, 285911), (2059, 39436), (4118, 19718), (8236, 9859)]