2254817481

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 3626958336

約数和(自身を除く): 1372140855

約数列:

[1, 3, 7, 21, 37, 61, 111, 113, 183, 259, 339, 421, 427, 777, 791, 1263, 1281, 2257, 2373, 2947, 4181, 6771, 6893, 8841, 12543, 15577, 15799, 20679, 25681, 29267, 46731, 47397, 47573, 48251, 77043, 87801, 109039, 142719, 144753, 179767, 255041, 327117, 333011, 539301, 765123, 950197, 999033, 1760201, 1785287, 2850591, 2901953, 5280603, 5355861, 6651379, 8705859, 12321407, 19954137, 20313671, 36964221, 60941013, 107372261, 322116783, 751605827, 2254817481]

約数ペア:

[(1, 2254817481), (3, 751605827), (7, 322116783), (21, 107372261), (37, 60941013), (61, 36964221), (111, 20313671), (113, 19954137), (183, 12321407), (259, 8705859), (339, 6651379), (421, 5355861), (427, 5280603), (777, 2901953), (791, 2850591), (1263, 1785287), (1281, 1760201), (2257, 999033), (2373, 950197), (2947, 765123), (4181, 539301), (6771, 333011), (6893, 327117), (8841, 255041), (12543, 179767), (15577, 144753), (15799, 142719), (20679, 109039), (25681, 87801), (29267, 77043), (46731, 48251), (47397, 47573)]