81623024

素因数分解:

$2^4\times 7^3\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 80

約数和(自身を含む): 187488000

約数和(自身を除く): 105864976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 107, 112, 139, 196, 214, 278, 343, 392, 428, 556, 686, 749, 784, 856, 973, 1112, 1372, 1498, 1712, 1946, 2224, 2744, 2996, 3892, 5243, 5488, 5992, 6811, 7784, 10486, 11984, 13622, 14873, 15568, 20972, 27244, 29746, 36701, 41944, 47677, 54488, 59492, 73402, 83888, 95354, 104111, 108976, 118984, 146804, 190708, 208222, 237968, 293608, 381416, 416444, 587216, 728777, 762832, 832888, 1457554, 1665776, 2915108, 5101439, 5830216, 10202878, 11660432, 20405756, 40811512, 81623024]

約数ペア:

[(1, 81623024), (2, 40811512), (4, 20405756), (7, 11660432), (8, 10202878), (14, 5830216), (16, 5101439), (28, 2915108), (49, 1665776), (56, 1457554), (98, 832888), (107, 762832), (112, 728777), (139, 587216), (196, 416444), (214, 381416), (278, 293608), (343, 237968), (392, 208222), (428, 190708), (556, 146804), (686, 118984), (749, 108976), (784, 104111), (856, 95354), (973, 83888), (1112, 73402), (1372, 59492), (1498, 54488), (1712, 47677), (1946, 41944), (2224, 36701), (2744, 29746), (2996, 27244), (3892, 20972), (5243, 15568), (5488, 14873), (5992, 13622), (6811, 11984), (7784, 10486)]