28578914

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 54390528

約数和(自身を除く): 25811614

約数列:

[1, 2, 7, 13, 14, 26, 47, 91, 94, 169, 182, 257, 329, 338, 514, 611, 658, 1183, 1222, 1799, 2366, 3341, 3598, 4277, 6682, 7943, 8554, 12079, 15886, 23387, 24158, 43433, 46774, 55601, 84553, 86866, 111202, 157027, 169106, 304031, 314054, 608062, 1099189, 2041351, 2198378, 4082702, 14289457, 28578914]

約数ペア:

[(1, 28578914), (2, 14289457), (7, 4082702), (13, 2198378), (14, 2041351), (26, 1099189), (47, 608062), (91, 314054), (94, 304031), (169, 169106), (182, 157027), (257, 111202), (329, 86866), (338, 84553), (514, 55601), (611, 46774), (658, 43433), (1183, 24158), (1222, 23387), (1799, 15886), (2366, 12079), (3341, 8554), (3598, 7943), (4277, 6682)]