2559205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 3686400

約数和(自身を除く): 1127195

約数列:

[1, 5, 11, 19, 31, 55, 79, 95, 155, 209, 341, 395, 589, 869, 1045, 1501, 1705, 2449, 2945, 4345, 6479, 7505, 12245, 16511, 26939, 32395, 46531, 82555, 134695, 232655, 511841, 2559205]

約数ペア:

[(1, 2559205), (5, 511841), (11, 232655), (19, 134695), (31, 82555), (55, 46531), (79, 32395), (95, 26939), (155, 16511), (209, 12245), (341, 7505), (395, 6479), (589, 4345), (869, 2945), (1045, 2449), (1501, 1705)]