520019305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{6563}}^1$

素因数の和:6657

約数の個数: 32

約数和(自身を含む): 714583296

約数和(自身を除く): 194563991

約数列:

[1, 5, 13, 23, 53, 65, 115, 265, 299, 689, 1219, 1495, 3445, 6095, 6563, 15847, 32815, 79235, 85319, 150949, 347839, 426595, 754745, 1739195, 1962337, 4521907, 8000297, 9811685, 22609535, 40001485, 104003861, 520019305]

約数ペア:

[(1, 520019305), (5, 104003861), (13, 40001485), (23, 22609535), (53, 9811685), (65, 8000297), (115, 4521907), (265, 1962337), (299, 1739195), (689, 754745), (1219, 426595), (1495, 347839), (3445, 150949), (6095, 85319), (6563, 79235), (15847, 32815)]