78840964

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{2203}}^1$

素因数の和:2619

約数の個数: 24

約数和(自身を含む): 144406080

約数和(自身を除く): 65565116

約数列:

[1, 2, 4, 23, 46, 92, 389, 778, 1556, 2203, 4406, 8812, 8947, 17894, 35788, 50669, 101338, 202676, 856967, 1713934, 3427868, 19710241, 39420482, 78840964]

約数ペア:

[(1, 78840964), (2, 39420482), (4, 19710241), (23, 3427868), (46, 1713934), (92, 856967), (389, 202676), (778, 101338), (1556, 50669), (2203, 35788), (4406, 17894), (8812, 8947)]