81489464

素因数分解:

$2^3\times 7^1\times {\mathrm{311}}^1\times {\mathrm{4679}}^1$

素因数の和:5003

約数の個数: 32

約数和(自身を含む): 175219200

約数和(自身を除く): 93729736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 311, 622, 1244, 2177, 2488, 4354, 4679, 8708, 9358, 17416, 18716, 32753, 37432, 65506, 131012, 262024, 1455169, 2910338, 5820676, 10186183, 11641352, 20372366, 40744732, 81489464]

約数ペア:

[(1, 81489464), (2, 40744732), (4, 20372366), (7, 11641352), (8, 10186183), (14, 5820676), (28, 2910338), (56, 1455169), (311, 262024), (622, 131012), (1244, 65506), (2177, 37432), (2488, 32753), (4354, 18716), (4679, 17416), (8708, 9358)]