28506852

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71987}}^1$

素因数の和:72008

約数の個数: 36

約数和(自身を含む): 78610896

約数和(自身を除く): 50104044

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 71987, 143974, 215961, 287948, 431922, 647883, 791857, 863844, 1295766, 1583714, 2375571, 2591532, 3167428, 4751142, 7126713, 9502284, 14253426, 28506852]

約数ペア:

[(1, 28506852), (2, 14253426), (3, 9502284), (4, 7126713), (6, 4751142), (9, 3167428), (11, 2591532), (12, 2375571), (18, 1583714), (22, 1295766), (33, 863844), (36, 791857), (44, 647883), (66, 431922), (99, 287948), (132, 215961), (198, 143974), (396, 71987)]