256444216

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{8311}}^1$

素因数の和:8372

約数の個数: 64

約数和(自身を含む): 598464000

約数和(自身を除く): 342019784

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 29, 38, 56, 58, 76, 116, 133, 152, 203, 232, 266, 406, 532, 551, 812, 1064, 1102, 1624, 2204, 3857, 4408, 7714, 8311, 15428, 16622, 30856, 33244, 58177, 66488, 116354, 157909, 232708, 241019, 315818, 465416, 482038, 631636, 964076, 1105363, 1263272, 1687133, 1928152, 2210726, 3374266, 4421452, 4579361, 6748532, 8842904, 9158722, 13497064, 18317444, 32055527, 36634888, 64111054, 128222108, 256444216]

約数ペア:

[(1, 256444216), (2, 128222108), (4, 64111054), (7, 36634888), (8, 32055527), (14, 18317444), (19, 13497064), (28, 9158722), (29, 8842904), (38, 6748532), (56, 4579361), (58, 4421452), (76, 3374266), (116, 2210726), (133, 1928152), (152, 1687133), (203, 1263272), (232, 1105363), (266, 964076), (406, 631636), (532, 482038), (551, 465416), (812, 315818), (1064, 241019), (1102, 232708), (1624, 157909), (2204, 116354), (3857, 66488), (4408, 58177), (7714, 33244), (8311, 30856), (15428, 16622)]