28027284481

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{16921}}^1$

素因数の和:17425

約数の個数: 32

約数和(自身を含む): 35089459200

約数和(自身を除く): 7062174719

約数列:

[1, 7, 17, 31, 119, 217, 449, 527, 3143, 3689, 7633, 13919, 16921, 53431, 97433, 118447, 236623, 287657, 524551, 1656361, 2013599, 3671857, 7597529, 8917367, 53182703, 62421569, 129157993, 235523399, 904105951, 1648663793, 4003897783, 28027284481]

約数ペア:

[(1, 28027284481), (7, 4003897783), (17, 1648663793), (31, 904105951), (119, 235523399), (217, 129157993), (449, 62421569), (527, 53182703), (3143, 8917367), (3689, 7597529), (7633, 3671857), (13919, 2013599), (16921, 1656361), (53431, 524551), (97433, 287657), (118447, 236623)]