247688636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8087}}^1$

素因数の和:8154

約数の個数: 48

約数和(自身を含む): 507279360

約数和(自身を除く): 259590724

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 806, 988, 1178, 1612, 2356, 7657, 8087, 15314, 16174, 30628, 32348, 105131, 153653, 210262, 250697, 307306, 420524, 501394, 614612, 1002788, 1997489, 3259061, 3994978, 4763243, 6518122, 7989956, 9526486, 13036244, 19052972, 61922159, 123844318, 247688636]

約数ペア:

[(1, 247688636), (2, 123844318), (4, 61922159), (13, 19052972), (19, 13036244), (26, 9526486), (31, 7989956), (38, 6518122), (52, 4763243), (62, 3994978), (76, 3259061), (124, 1997489), (247, 1002788), (403, 614612), (494, 501394), (589, 420524), (806, 307306), (988, 250697), (1178, 210262), (1612, 153653), (2356, 105131), (7657, 32348), (8087, 30628), (15314, 16174)]