28018740659

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{1583}}^1$

素因数の和:2004

約数の個数: 64

約数和(自身を含む): 37681459200

約数和(自身を除く): 9662718541

約数列:

[1, 7, 13, 19, 29, 91, 133, 203, 247, 353, 377, 551, 1583, 1729, 2471, 2639, 3857, 4589, 6707, 7163, 10237, 11081, 20579, 30077, 32123, 45907, 46949, 50141, 71659, 87191, 133081, 144053, 194503, 210539, 321349, 391001, 558799, 596791, 610337, 872233, 931567, 1361521, 2528539, 2737007, 3911593, 4177537, 6105631, 7264387, 10617181, 11339029, 16205171, 17699773, 50850709, 74320267, 79373203, 113436197, 138023353, 210667223, 307898249, 966163471, 1474670561, 2155287743, 4002677237, 28018740659]

約数ペア:

[(1, 28018740659), (7, 4002677237), (13, 2155287743), (19, 1474670561), (29, 966163471), (91, 307898249), (133, 210667223), (203, 138023353), (247, 113436197), (353, 79373203), (377, 74320267), (551, 50850709), (1583, 17699773), (1729, 16205171), (2471, 11339029), (2639, 10617181), (3857, 7264387), (4589, 6105631), (6707, 4177537), (7163, 3911593), (10237, 2737007), (11081, 2528539), (20579, 1361521), (30077, 931567), (32123, 872233), (45907, 610337), (46949, 596791), (50141, 558799), (71659, 391001), (87191, 321349), (133081, 210539), (144053, 194503)]