81814852

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{32831}}^1$

素因数の和:32931

約数の個数: 24

約数和(自身を含む): 165473280

約数和(自身を除く): 83658428

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 32831, 65662, 131324, 229817, 459634, 919268, 2921959, 5843918, 11687836, 20453713, 40907426, 81814852]

約数ペア:

[(1, 81814852), (2, 40907426), (4, 20453713), (7, 11687836), (14, 5843918), (28, 2921959), (89, 919268), (178, 459634), (356, 229817), (623, 131324), (1246, 65662), (2492, 32831)]