28185586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:874

約数の個数: 32

約数和(自身を含む): 50097600

約数和(自身を除く): 21912014

約数列:

[1, 2, 11, 13, 22, 26, 139, 143, 278, 286, 709, 1418, 1529, 1807, 3058, 3614, 7799, 9217, 15598, 18434, 19877, 39754, 98551, 101387, 197102, 202774, 1084061, 1281163, 2168122, 2562326, 14092793, 28185586]

約数ペア:

[(1, 28185586), (2, 14092793), (11, 2562326), (13, 2168122), (22, 1281163), (26, 1084061), (139, 202774), (143, 197102), (278, 101387), (286, 98551), (709, 39754), (1418, 19877), (1529, 18434), (1807, 15598), (3058, 9217), (3614, 7799)]