28206869665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1\times {\mathrm{3167}}^1$

素因数の和:3969

約数の個数: 32

約数和(自身を含む): 36672362496

約数和(自身を除く): 8465492831

約数列:

[1, 5, 13, 65, 263, 521, 1315, 2605, 3167, 3419, 6773, 15835, 17095, 33865, 41171, 137023, 205855, 685115, 832921, 1650007, 1781299, 4164605, 8250035, 8906495, 10827973, 21450091, 54139865, 107250455, 433951841, 2169759205, 5641373933, 28206869665]

約数ペア:

[(1, 28206869665), (5, 5641373933), (13, 2169759205), (65, 433951841), (263, 107250455), (521, 54139865), (1315, 21450091), (2605, 10827973), (3167, 8906495), (3419, 8250035), (6773, 4164605), (15835, 1781299), (17095, 1650007), (33865, 832921), (41171, 685115), (137023, 205855)]