664993616

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2281}}^1$

素因数の和:2452

約数の個数: 80

約数和(自身を含む): 1561983360

約数和(自身を除く): 896989744

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 137, 152, 266, 274, 304, 532, 548, 959, 1064, 1096, 1918, 2128, 2192, 2281, 2603, 3836, 4562, 5206, 7672, 9124, 10412, 15344, 15967, 18221, 18248, 20824, 31934, 36442, 36496, 41648, 43339, 63868, 72884, 86678, 127736, 145768, 173356, 255472, 291536, 303373, 312497, 346712, 606746, 624994, 693424, 1213492, 1249988, 2187479, 2426984, 2499976, 4374958, 4853968, 4999952, 5937443, 8749916, 11874886, 17499832, 23749772, 34999664, 41562101, 47499544, 83124202, 94999088, 166248404, 332496808, 664993616]

約数ペア:

[(1, 664993616), (2, 332496808), (4, 166248404), (7, 94999088), (8, 83124202), (14, 47499544), (16, 41562101), (19, 34999664), (28, 23749772), (38, 17499832), (56, 11874886), (76, 8749916), (112, 5937443), (133, 4999952), (137, 4853968), (152, 4374958), (266, 2499976), (274, 2426984), (304, 2187479), (532, 1249988), (548, 1213492), (959, 693424), (1064, 624994), (1096, 606746), (1918, 346712), (2128, 312497), (2192, 303373), (2281, 291536), (2603, 255472), (3836, 173356), (4562, 145768), (5206, 127736), (7672, 86678), (9124, 72884), (10412, 63868), (15344, 43339), (15967, 41648), (18221, 36496), (18248, 36442), (20824, 31934)]