28315679

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{2663}}^1$

素因数の和:2715

約数の個数: 16

約数和(自身を含む): 34099200

約数和(自身を除く): 5783521

約数列:

[1, 7, 31, 49, 217, 343, 1519, 2663, 10633, 18641, 82553, 130487, 577871, 913409, 4045097, 28315679]

約数ペア:

[(1, 28315679), (7, 4045097), (31, 913409), (49, 577871), (217, 130487), (343, 82553), (1519, 18641), (2663, 10633)]