30981664

素因数分解:

$2^5\times 7^1\times {\mathrm{138311}}^1$

素因数の和:138328

約数の個数: 24

約数和(自身を含む): 69709248

約数和(自身を除く): 38727584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 138311, 276622, 553244, 968177, 1106488, 1936354, 2212976, 3872708, 4425952, 7745416, 15490832, 30981664]

約数ペア:

[(1, 30981664), (2, 15490832), (4, 7745416), (7, 4425952), (8, 3872708), (14, 2212976), (16, 1936354), (28, 1106488), (32, 968177), (56, 553244), (112, 276622), (224, 138311)]