81263896

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{46811}}^1$

素因数の和:46855

約数の個数: 32

約数和(自身を含む): 179758080

約数和(自身を除く): 98494184

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 46811, 93622, 187244, 327677, 374488, 655354, 1310708, 1451141, 2621416, 2902282, 5804564, 10157987, 11609128, 20315974, 40631948, 81263896]

約数ペア:

[(1, 81263896), (2, 40631948), (4, 20315974), (7, 11609128), (8, 10157987), (14, 5804564), (28, 2902282), (31, 2621416), (56, 1451141), (62, 1310708), (124, 655354), (217, 374488), (248, 327677), (434, 187244), (868, 93622), (1736, 46811)]