28194803

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{709}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 38169600

約数和(自身を除く): 9974797

約数列:

[1, 7, 13, 19, 23, 91, 133, 161, 247, 299, 437, 709, 1729, 2093, 3059, 4963, 5681, 9217, 13471, 16307, 39767, 64519, 94297, 114149, 175123, 211991, 309833, 1225861, 1483937, 2168831, 4027829, 28194803]

約数ペア:

[(1, 28194803), (7, 4027829), (13, 2168831), (19, 1483937), (23, 1225861), (91, 309833), (133, 211991), (161, 175123), (247, 114149), (299, 94297), (437, 64519), (709, 39767), (1729, 16307), (2093, 13471), (3059, 9217), (4963, 5681)]