81640958

素因数分解:

$2^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{10037}}^1$

素因数の和:10136

約数の個数: 24

約数和(自身を含む): 144185832

約数和(自身を除く): 62544874

約数列:

[1, 2, 7, 14, 49, 83, 98, 166, 581, 1162, 4067, 8134, 10037, 20074, 70259, 140518, 491813, 833071, 983626, 1666142, 5831497, 11662994, 40820479, 81640958]

約数ペア:

[(1, 81640958), (2, 40820479), (7, 11662994), (14, 5831497), (49, 1666142), (83, 983626), (98, 833071), (166, 491813), (581, 140518), (1162, 70259), (4067, 20074), (8134, 10037)]