28385357

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4051}}^1$

素因数の和:4089

約数の個数: 24

約数和(自身を含む): 38801952

約数和(自身を除く): 10416595

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 4051, 7007, 28357, 44561, 52663, 198499, 311927, 368641, 579293, 2183489, 2580487, 4055051, 28385357]

約数ペア:

[(1, 28385357), (7, 4055051), (11, 2580487), (13, 2183489), (49, 579293), (77, 368641), (91, 311927), (143, 198499), (539, 52663), (637, 44561), (1001, 28357), (4051, 7007)]