28402325

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9547}}^1$

素因数の和:9581

約数の個数: 24

約数和(自身を含む): 42622272

約数和(自身を除く): 14219947

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 9547, 47735, 66829, 162299, 238675, 334145, 811495, 1136093, 1670725, 4057475, 5680465, 28402325]

約数ペア:

[(1, 28402325), (5, 5680465), (7, 4057475), (17, 1670725), (25, 1136093), (35, 811495), (85, 334145), (119, 238675), (175, 162299), (425, 66829), (595, 47735), (2975, 9547)]