16439988

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 40108544

約数和(自身を除く): 23668556

約数列:

[1, 2, 3, 4, 6, 12, 37, 61, 74, 111, 122, 148, 183, 222, 244, 366, 444, 607, 732, 1214, 1821, 2257, 2428, 3642, 4514, 6771, 7284, 9028, 13542, 22459, 27084, 37027, 44918, 67377, 74054, 89836, 111081, 134754, 148108, 222162, 269508, 444324, 1369999, 2739998, 4109997, 5479996, 8219994, 16439988]

約数ペア:

[(1, 16439988), (2, 8219994), (3, 5479996), (4, 4109997), (6, 2739998), (12, 1369999), (37, 444324), (61, 269508), (74, 222162), (111, 148108), (122, 134754), (148, 111081), (183, 89836), (222, 74054), (244, 67377), (366, 44918), (444, 37027), (607, 27084), (732, 22459), (1214, 13542), (1821, 9028), (2257, 7284), (2428, 6771), (3642, 4514)]