28248883

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 33077408

約数和(自身を除く): 4828525

約数列:

[1, 13, 17, 73, 103, 221, 289, 949, 1241, 1339, 1751, 3757, 7519, 16133, 21097, 22763, 29767, 97747, 127823, 274261, 386971, 1661699, 2172991, 28248883]

約数ペア:

[(1, 28248883), (13, 2172991), (17, 1661699), (73, 386971), (103, 274261), (221, 127823), (289, 97747), (949, 29767), (1241, 22763), (1339, 21097), (1751, 16133), (3757, 7519)]