81960284

素因数分解:

$2^2\times 7^1\times {\mathrm{1091}}^1\times {\mathrm{2683}}^1$

素因数の和:3785

約数の個数: 24

約数和(自身を含む): 164131968

約数和(自身を除く): 82171684

約数列:

[1, 2, 4, 7, 14, 28, 1091, 2182, 2683, 4364, 5366, 7637, 10732, 15274, 18781, 30548, 37562, 75124, 2927153, 5854306, 11708612, 20490071, 40980142, 81960284]

約数ペア:

[(1, 81960284), (2, 40980142), (4, 20490071), (7, 11708612), (14, 5854306), (28, 2927153), (1091, 75124), (2182, 37562), (2683, 30548), (4364, 18781), (5366, 15274), (7637, 10732)]