28749917

素因数分解:

$7^3\times {\mathrm{79}}^1\times {\mathrm{1061}}^1$

素因数の和:1161

約数の個数: 16

約数和(自身を含む): 33984000

約数和(自身を除く): 5234083

約数列:

[1, 7, 49, 79, 343, 553, 1061, 3871, 7427, 27097, 51989, 83819, 363923, 586733, 4107131, 28749917]

約数ペア:

[(1, 28749917), (7, 4107131), (49, 586733), (79, 363923), (343, 83819), (553, 51989), (1061, 27097), (3871, 7427)]