22188257

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 29541120

約数和(自身を除く): 7352863

約数列:

[1, 7, 13, 19, 41, 91, 133, 247, 287, 313, 533, 779, 1729, 2191, 3731, 4069, 5453, 5947, 10127, 12833, 28483, 41629, 70889, 77311, 89831, 166829, 243827, 541177, 1167803, 1706789, 3169751, 22188257]

約数ペア:

[(1, 22188257), (7, 3169751), (13, 1706789), (19, 1167803), (41, 541177), (91, 243827), (133, 166829), (247, 89831), (287, 77311), (313, 70889), (533, 41629), (779, 28483), (1729, 12833), (2191, 10127), (3731, 5947), (4069, 5453)]