28131110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5087}}^1$

素因数の和:5180

約数の個数: 32

約数和(自身を含む): 58613760

約数和(自身を除く): 30482650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 5087, 5530, 10174, 25435, 35609, 50870, 71218, 178045, 356090, 401873, 803746, 2009365, 2813111, 4018730, 5626222, 14065555, 28131110]

約数ペア:

[(1, 28131110), (2, 14065555), (5, 5626222), (7, 4018730), (10, 2813111), (14, 2009365), (35, 803746), (70, 401873), (79, 356090), (158, 178045), (395, 71218), (553, 50870), (790, 35609), (1106, 25435), (2765, 10174), (5087, 5530)]