28652897

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1451}}^1$

素因数の和:1509

約数の個数: 24

約数和(自身を含む): 37078272

約数和(自身を除く): 8425375

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 637, 1451, 1519, 2821, 10157, 18863, 19747, 44981, 71099, 132041, 314867, 584753, 924287, 2204069, 4093271, 28652897]

約数ペア:

[(1, 28652897), (7, 4093271), (13, 2204069), (31, 924287), (49, 584753), (91, 314867), (217, 132041), (403, 71099), (637, 44981), (1451, 19747), (1519, 18863), (2821, 10157)]