2621905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 3911040

約数和(自身を除く): 1289135

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 193, 209, 247, 715, 965, 1045, 1235, 2123, 2509, 2717, 3667, 10615, 12545, 13585, 18335, 27599, 40337, 47671, 137995, 201685, 238355, 524381, 2621905]

約数ペア:

[(1, 2621905), (5, 524381), (11, 238355), (13, 201685), (19, 137995), (55, 47671), (65, 40337), (95, 27599), (143, 18335), (193, 13585), (209, 12545), (247, 10615), (715, 3667), (965, 2717), (1045, 2509), (1235, 2123)]