2055515

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 3248640

約数和(自身を除く): 1193125

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 281, 385, 665, 1045, 1405, 1463, 1967, 3091, 5339, 7315, 9835, 15455, 21637, 26695, 37373, 58729, 108185, 186865, 293645, 411103, 2055515]

約数ペア:

[(1, 2055515), (5, 411103), (7, 293645), (11, 186865), (19, 108185), (35, 58729), (55, 37373), (77, 26695), (95, 21637), (133, 15455), (209, 9835), (281, 7315), (385, 5339), (665, 3091), (1045, 1967), (1405, 1463)]