28330225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{14717}}^1$

素因数の和:14745

約数の個数: 24

約数和(自身を含む): 43800768

約数和(自身を除く): 15470543

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 14717, 73585, 103019, 161887, 367925, 515095, 809435, 1133209, 2575475, 4047175, 5666045, 28330225]

約数ペア:

[(1, 28330225), (5, 5666045), (7, 4047175), (11, 2575475), (25, 1133209), (35, 809435), (55, 515095), (77, 367925), (175, 161887), (275, 103019), (385, 73585), (1925, 14717)]