1287156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 3336704

約数和(自身を除く): 2049548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 223, 444, 446, 481, 669, 892, 962, 1338, 1443, 1924, 2676, 2886, 2899, 5772, 5798, 8251, 8697, 11596, 16502, 17394, 24753, 33004, 34788, 49506, 99012, 107263, 214526, 321789, 429052, 643578, 1287156]

約数ペア:

[(1, 1287156), (2, 643578), (3, 429052), (4, 321789), (6, 214526), (12, 107263), (13, 99012), (26, 49506), (37, 34788), (39, 33004), (52, 24753), (74, 17394), (78, 16502), (111, 11596), (148, 8697), (156, 8251), (222, 5798), (223, 5772), (444, 2899), (446, 2886), (481, 2676), (669, 1924), (892, 1443), (962, 1338)]