280780918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1\times {\mathrm{1061}}^1$

素因数の和:1620

約数の個数: 32

約数和(自身を含む): 480805632

約数和(自身を除く): 200024714

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 523, 1046, 1061, 2122, 5753, 11506, 11671, 12029, 23342, 24058, 24403, 48806, 132319, 264638, 268433, 536866, 554903, 1109806, 6103933, 12207866, 12762769, 25525538, 140390459, 280780918]

約数ペア:

[(1, 280780918), (2, 140390459), (11, 25525538), (22, 12762769), (23, 12207866), (46, 6103933), (253, 1109806), (506, 554903), (523, 536866), (1046, 268433), (1061, 264638), (2122, 132319), (5753, 48806), (11506, 24403), (11671, 24058), (12029, 23342)]