81498256

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23473}}^1$

素因数の和:23519

約数の個数: 40

約数和(自身を含む): 186289664

約数和(自身を除く): 104791408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 23473, 46946, 93892, 164311, 187784, 328622, 375568, 657244, 727663, 1314488, 1455326, 2628976, 2910652, 5093641, 5821304, 10187282, 11642608, 20374564, 40749128, 81498256]

約数ペア:

[(1, 81498256), (2, 40749128), (4, 20374564), (7, 11642608), (8, 10187282), (14, 5821304), (16, 5093641), (28, 2910652), (31, 2628976), (56, 1455326), (62, 1314488), (112, 727663), (124, 657244), (217, 375568), (248, 328622), (434, 187784), (496, 164311), (868, 93892), (1736, 46946), (3472, 23473)]