28149712

素因数分解:

$2^4\times {\mathrm{881}}^1\times {\mathrm{1997}}^1$

素因数の和:2886

約数の個数: 20

約数和(自身を含む): 54629316

約数和(自身を除く): 26479604

約数列:

[1, 2, 4, 8, 16, 881, 1762, 1997, 3524, 3994, 7048, 7988, 14096, 15976, 31952, 1759357, 3518714, 7037428, 14074856, 28149712]

約数ペア:

[(1, 28149712), (2, 14074856), (4, 7037428), (8, 3518714), (16, 1759357), (881, 31952), (1762, 15976), (1997, 14096), (3524, 7988), (3994, 7048)]