28410725

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5237}}^1$

素因数の和:5285

約数の個数: 24

約数和(自身を含む): 41568768

約数和(自身を除く): 13158043

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5237, 5425, 26185, 36659, 130925, 162347, 183295, 811735, 916475, 1136429, 4058675, 5682145, 28410725]

約数ペア:

[(1, 28410725), (5, 5682145), (7, 4058675), (25, 1136429), (31, 916475), (35, 811735), (155, 183295), (175, 162347), (217, 130925), (775, 36659), (1085, 26185), (5237, 5425)]