155720005

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{193441}}^1$

素因数の和:193476

約数の個数: 16

約数和(自身を含む): 222845184

約数和(自身を除く): 67125179

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 193441, 967205, 1354087, 4449143, 6770435, 22245715, 31144001, 155720005]

約数ペア:

[(1, 155720005), (5, 31144001), (7, 22245715), (23, 6770435), (35, 4449143), (115, 1354087), (161, 967205), (805, 193441)]