28765037

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 35661120

約数和(自身を除く): 6896083

約数列:

[1, 7, 17, 59, 119, 241, 289, 413, 1003, 1687, 2023, 4097, 7021, 14219, 17051, 28679, 69649, 99533, 119357, 241723, 487543, 1692061, 4109291, 28765037]

約数ペア:

[(1, 28765037), (7, 4109291), (17, 1692061), (59, 487543), (119, 241723), (241, 119357), (289, 99533), (413, 69649), (1003, 28679), (1687, 17051), (2023, 14219), (4097, 7021)]