678411328

素因数分解:

$2^6\times 7^1\times {\mathrm{349}}^1\times {\mathrm{4339}}^1$

素因数の和:4707

約数の個数: 56

約数和(自身を含む): 1543304000

約数和(自身を除く): 864892672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 349, 448, 698, 1396, 2443, 2792, 4339, 4886, 5584, 8678, 9772, 11168, 17356, 19544, 22336, 30373, 34712, 39088, 60746, 69424, 78176, 121492, 138848, 156352, 242984, 277696, 485968, 971936, 1514311, 1943872, 3028622, 6057244, 10600177, 12114488, 21200354, 24228976, 42400708, 48457952, 84801416, 96915904, 169602832, 339205664, 678411328]

約数ペア:

[(1, 678411328), (2, 339205664), (4, 169602832), (7, 96915904), (8, 84801416), (14, 48457952), (16, 42400708), (28, 24228976), (32, 21200354), (56, 12114488), (64, 10600177), (112, 6057244), (224, 3028622), (349, 1943872), (448, 1514311), (698, 971936), (1396, 485968), (2443, 277696), (2792, 242984), (4339, 156352), (4886, 138848), (5584, 121492), (8678, 78176), (9772, 69424), (11168, 60746), (17356, 39088), (19544, 34712), (22336, 30373)]