2004404545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1567}}^1\times {\mathrm{1789}}^1$

素因数の和:3385

約数の個数: 32

約数和(自身を含む): 2829173760

約数和(自身を除く): 824769215

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 1567, 1789, 7835, 8945, 17237, 19679, 20371, 23257, 86185, 98395, 101855, 116285, 224081, 255827, 1120405, 1279135, 2803363, 14016815, 30836993, 36443719, 154184965, 182218595, 400880909, 2004404545]

約数ペア:

[(1, 2004404545), (5, 400880909), (11, 182218595), (13, 154184965), (55, 36443719), (65, 30836993), (143, 14016815), (715, 2803363), (1567, 1279135), (1789, 1120405), (7835, 255827), (8945, 224081), (17237, 116285), (19679, 101855), (20371, 98395), (23257, 86185)]