639944704

素因数分解:

$2^{11}\times 7^3\times {\mathrm{911}}^1$

素因数の和:954

約数の個数: 96

約数和(自身を含む): 1493856000

約数和(自身を除く): 853911296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 512, 686, 784, 896, 911, 1024, 1372, 1568, 1792, 1822, 2048, 2744, 3136, 3584, 3644, 5488, 6272, 6377, 7168, 7288, 10976, 12544, 12754, 14336, 14576, 21952, 25088, 25508, 29152, 43904, 44639, 50176, 51016, 58304, 87808, 89278, 100352, 102032, 116608, 175616, 178556, 204064, 233216, 312473, 351232, 357112, 408128, 466432, 624946, 702464, 714224, 816256, 932864, 1249892, 1428448, 1632512, 1865728, 2499784, 2856896, 3265024, 4999568, 5713792, 6530048, 9999136, 11427584, 13060096, 19998272, 22855168, 39996544, 45710336, 79993088, 91420672, 159986176, 319972352, 639944704]

約数ペア:

[(1, 639944704), (2, 319972352), (4, 159986176), (7, 91420672), (8, 79993088), (14, 45710336), (16, 39996544), (28, 22855168), (32, 19998272), (49, 13060096), (56, 11427584), (64, 9999136), (98, 6530048), (112, 5713792), (128, 4999568), (196, 3265024), (224, 2856896), (256, 2499784), (343, 1865728), (392, 1632512), (448, 1428448), (512, 1249892), (686, 932864), (784, 816256), (896, 714224), (911, 702464), (1024, 624946), (1372, 466432), (1568, 408128), (1792, 357112), (1822, 351232), (2048, 312473), (2744, 233216), (3136, 204064), (3584, 178556), (3644, 175616), (5488, 116608), (6272, 102032), (6377, 100352), (7168, 89278), (7288, 87808), (10976, 58304), (12544, 51016), (12754, 50176), (14336, 44639), (14576, 43904), (21952, 29152), (25088, 25508)]