2009408765

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{119359}}^1$

素因数の和:119421

約数の個数: 32

約数和(自身を含む): 3047976960

約数和(自身を除く): 1038568195

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 259, 455, 481, 1295, 2405, 3367, 16835, 119359, 596795, 835513, 1551667, 4177565, 4416283, 7758335, 10861669, 22081415, 30913981, 54308345, 57411679, 154569905, 287058395, 401881753, 2009408765]

約数ペア:

[(1, 2009408765), (5, 401881753), (7, 287058395), (13, 154569905), (35, 57411679), (37, 54308345), (65, 30913981), (91, 22081415), (185, 10861669), (259, 7758335), (455, 4416283), (481, 4177565), (1295, 1551667), (2405, 835513), (3367, 596795), (16835, 119359)]