2051215985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{24907}}^1$

素因数の和:25113

約数の個数: 32

約数和(自身を含む): 3046348032

約数和(自身を除く): 995132047

約数列:

[1, 5, 7, 13, 35, 65, 91, 181, 455, 905, 1267, 2353, 6335, 11765, 16471, 24907, 82355, 124535, 174349, 323791, 871745, 1618955, 2266537, 4508167, 11332685, 22540835, 31557169, 58606171, 157785845, 293030855, 410243197, 2051215985]

約数ペア:

[(1, 2051215985), (5, 410243197), (7, 293030855), (13, 157785845), (35, 58606171), (65, 31557169), (91, 22540835), (181, 11332685), (455, 4508167), (905, 2266537), (1267, 1618955), (2353, 871745), (6335, 323791), (11765, 174349), (16471, 124535), (24907, 82355)]