679818496

素因数分解:

$2^8\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1087}}^1$

素因数の和:1459

約数の個数: 72

約数和(自身を含む): 1556710400

約数和(自身を除く): 876891904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 349, 448, 698, 896, 1087, 1396, 1792, 2174, 2443, 2792, 4348, 4886, 5584, 7609, 8696, 9772, 11168, 15218, 17392, 19544, 22336, 30436, 34784, 39088, 44672, 60872, 69568, 78176, 89344, 121744, 139136, 156352, 243488, 278272, 312704, 379363, 486976, 625408, 758726, 973952, 1517452, 1947904, 2655541, 3034904, 5311082, 6069808, 10622164, 12139616, 21244328, 24279232, 42488656, 48558464, 84977312, 97116928, 169954624, 339909248, 679818496]

約数ペア:

[(1, 679818496), (2, 339909248), (4, 169954624), (7, 97116928), (8, 84977312), (14, 48558464), (16, 42488656), (28, 24279232), (32, 21244328), (56, 12139616), (64, 10622164), (112, 6069808), (128, 5311082), (224, 3034904), (256, 2655541), (349, 1947904), (448, 1517452), (698, 973952), (896, 758726), (1087, 625408), (1396, 486976), (1792, 379363), (2174, 312704), (2443, 278272), (2792, 243488), (4348, 156352), (4886, 139136), (5584, 121744), (7609, 89344), (8696, 78176), (9772, 69568), (11168, 60872), (15218, 44672), (17392, 39088), (19544, 34784), (22336, 30436)]