28284949

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3637}}^1$

素因数の和:3756

約数の個数: 16

約数和(自身を含む): 35623296

約数和(自身を除く): 7338347

約数列:

[1, 7, 11, 77, 101, 707, 1111, 3637, 7777, 25459, 40007, 280049, 367337, 2571359, 4040707, 28284949]

約数ペア:

[(1, 28284949), (7, 4040707), (11, 2571359), (77, 367337), (101, 280049), (707, 40007), (1111, 25459), (3637, 7777)]