2021568185

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{24547}}^1$

素因数の和:24753

約数の個数: 32

約数和(自身を含む): 3002318592

約数和(自身を除く): 980750407

約数列:

[1, 5, 7, 13, 35, 65, 91, 181, 455, 905, 1267, 2353, 6335, 11765, 16471, 24547, 82355, 122735, 171829, 319111, 859145, 1595555, 2233777, 4443007, 11168885, 22215035, 31101049, 57759091, 155505245, 288795455, 404313637, 2021568185]

約数ペア:

[(1, 2021568185), (5, 404313637), (7, 288795455), (13, 155505245), (35, 57759091), (65, 31101049), (91, 22215035), (181, 11168885), (455, 4443007), (905, 2233777), (1267, 1595555), (2353, 859145), (6335, 319111), (11765, 171829), (16471, 122735), (24547, 82355)]