257993856

素因数分解:

$2^7\times 3^3\times {\mathrm{19}}^1\times {\mathrm{3929}}^1$

素因数の和:3971

約数の個数: 128

約数和(自身を含む): 801720000

約数和(自身を除く): 543726144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 128, 144, 152, 171, 192, 216, 228, 288, 304, 342, 384, 432, 456, 513, 576, 608, 684, 864, 912, 1026, 1152, 1216, 1368, 1728, 1824, 2052, 2432, 2736, 3456, 3648, 3929, 4104, 5472, 7296, 7858, 8208, 10944, 11787, 15716, 16416, 21888, 23574, 31432, 32832, 35361, 47148, 62864, 65664, 70722, 74651, 94296, 106083, 125728, 141444, 149302, 188592, 212166, 223953, 251456, 282888, 298604, 377184, 424332, 447906, 502912, 565776, 597208, 671859, 754368, 848664, 895812, 1131552, 1194416, 1343718, 1508736, 1697328, 1791624, 2015577, 2263104, 2388832, 2687436, 3394656, 3583248, 4031154, 4526208, 4777664, 5374872, 6789312, 7166496, 8062308, 9555328, 10749744, 13578624, 14332992, 16124616, 21499488, 28665984, 32249232, 42998976, 64498464, 85997952, 128996928, 257993856]

約数ペア:

[(1, 257993856), (2, 128996928), (3, 85997952), (4, 64498464), (6, 42998976), (8, 32249232), (9, 28665984), (12, 21499488), (16, 16124616), (18, 14332992), (19, 13578624), (24, 10749744), (27, 9555328), (32, 8062308), (36, 7166496), (38, 6789312), (48, 5374872), (54, 4777664), (57, 4526208), (64, 4031154), (72, 3583248), (76, 3394656), (96, 2687436), (108, 2388832), (114, 2263104), (128, 2015577), (144, 1791624), (152, 1697328), (171, 1508736), (192, 1343718), (216, 1194416), (228, 1131552), (288, 895812), (304, 848664), (342, 754368), (384, 671859), (432, 597208), (456, 565776), (513, 502912), (576, 447906), (608, 424332), (684, 377184), (864, 298604), (912, 282888), (1026, 251456), (1152, 223953), (1216, 212166), (1368, 188592), (1728, 149302), (1824, 141444), (2052, 125728), (2432, 106083), (2736, 94296), (3456, 74651), (3648, 70722), (3929, 65664), (4104, 62864), (5472, 47148), (7296, 35361), (7858, 32832), (8208, 31432), (10944, 23574), (11787, 21888), (15716, 16416)]