29901895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 39640320

約数和(自身を除く): 9738425

約数列:

[1, 5, 17, 61, 73, 79, 85, 305, 365, 395, 1037, 1241, 1343, 4453, 4819, 5185, 5767, 6205, 6715, 22265, 24095, 28835, 75701, 81923, 98039, 351787, 378505, 409615, 490195, 1758935, 5980379, 29901895]

約数ペア:

[(1, 29901895), (5, 5980379), (17, 1758935), (61, 490195), (73, 409615), (79, 378505), (85, 351787), (305, 98039), (365, 81923), (395, 75701), (1037, 28835), (1241, 24095), (1343, 22265), (4453, 6715), (4819, 6205), (5185, 5767)]