12479428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 26248320

約数和(自身を除く): 13768892

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 743, 884, 988, 1292, 1486, 2972, 4199, 8398, 9659, 12631, 14117, 16796, 19318, 25262, 28234, 38636, 50524, 56468, 164203, 183521, 239989, 328406, 367042, 479978, 656812, 734084, 959956, 3119857, 6239714, 12479428]

約数ペア:

[(1, 12479428), (2, 6239714), (4, 3119857), (13, 959956), (17, 734084), (19, 656812), (26, 479978), (34, 367042), (38, 328406), (52, 239989), (68, 183521), (76, 164203), (221, 56468), (247, 50524), (323, 38636), (442, 28234), (494, 25262), (646, 19318), (743, 16796), (884, 14117), (988, 12631), (1292, 9659), (1486, 8398), (2972, 4199)]