15964428

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 39795840

約数和(自身を除く): 23831412

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 139, 204, 278, 417, 556, 563, 834, 1126, 1668, 1689, 2252, 2363, 3378, 4726, 6756, 7089, 9452, 9571, 14178, 19142, 28356, 28713, 38284, 57426, 78257, 114852, 156514, 234771, 313028, 469542, 939084, 1330369, 2660738, 3991107, 5321476, 7982214, 15964428]

約数ペア:

[(1, 15964428), (2, 7982214), (3, 5321476), (4, 3991107), (6, 2660738), (12, 1330369), (17, 939084), (34, 469542), (51, 313028), (68, 234771), (102, 156514), (139, 114852), (204, 78257), (278, 57426), (417, 38284), (556, 28713), (563, 28356), (834, 19142), (1126, 14178), (1668, 9571), (1689, 9452), (2252, 7089), (2363, 6756), (3378, 4726)]