2639442

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 6060960

約数和(自身を除く): 3421518

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 137, 169, 247, 274, 338, 411, 494, 507, 741, 822, 1014, 1482, 1781, 2603, 3211, 3562, 5206, 5343, 6422, 7809, 9633, 10686, 15618, 19266, 23153, 33839, 46306, 67678, 69459, 101517, 138918, 203034, 439907, 879814, 1319721, 2639442]

約数ペア:

[(1, 2639442), (2, 1319721), (3, 879814), (6, 439907), (13, 203034), (19, 138918), (26, 101517), (38, 69459), (39, 67678), (57, 46306), (78, 33839), (114, 23153), (137, 19266), (169, 15618), (247, 10686), (274, 9633), (338, 7809), (411, 6422), (494, 5343), (507, 5206), (741, 3562), (822, 3211), (1014, 2603), (1482, 1781)]