28999376

素因数分解:

$2^4\times 7^2\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:856

約数の個数: 60

約数和(自身を含む): 66835008

約数和(自身を除く): 37835632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 49, 56, 94, 98, 112, 188, 196, 329, 376, 392, 658, 752, 784, 787, 1316, 1574, 2303, 2632, 3148, 4606, 5264, 5509, 6296, 9212, 11018, 12592, 18424, 22036, 36848, 36989, 38563, 44072, 73978, 77126, 88144, 147956, 154252, 258923, 295912, 308504, 517846, 591824, 617008, 1035692, 1812461, 2071384, 3624922, 4142768, 7249844, 14499688, 28999376]

約数ペア:

[(1, 28999376), (2, 14499688), (4, 7249844), (7, 4142768), (8, 3624922), (14, 2071384), (16, 1812461), (28, 1035692), (47, 617008), (49, 591824), (56, 517846), (94, 308504), (98, 295912), (112, 258923), (188, 154252), (196, 147956), (329, 88144), (376, 77126), (392, 73978), (658, 44072), (752, 38563), (784, 36989), (787, 36848), (1316, 22036), (1574, 18424), (2303, 12592), (2632, 11018), (3148, 9212), (4606, 6296), (5264, 5509)]