28017808

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2749}}^1$

素因数の和:2784

約数の個数: 60

約数和(自身を含む): 68029500

約数和(自身を除く): 40011692

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 2548, 2749, 5096, 5498, 10192, 10996, 19243, 21992, 35737, 38486, 43984, 71474, 76972, 134701, 142948, 153944, 250159, 269402, 285896, 307888, 500318, 538804, 571792, 1000636, 1077608, 1751113, 2001272, 2155216, 3502226, 4002544, 7004452, 14008904, 28017808]

約数ペア:

[(1, 28017808), (2, 14008904), (4, 7004452), (7, 4002544), (8, 3502226), (13, 2155216), (14, 2001272), (16, 1751113), (26, 1077608), (28, 1000636), (49, 571792), (52, 538804), (56, 500318), (91, 307888), (98, 285896), (104, 269402), (112, 250159), (182, 153944), (196, 142948), (208, 134701), (364, 76972), (392, 71474), (637, 43984), (728, 38486), (784, 35737), (1274, 21992), (1456, 19243), (2548, 10996), (2749, 10192), (5096, 5498)]