217889728

素因数分解:

$2^6\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3499}}^1$

素因数の和:3657

約数の個数: 56

約数和(自身を含む): 497840000

約数和(自身を除く): 279950272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 139, 224, 278, 448, 556, 973, 1112, 1946, 2224, 3499, 3892, 4448, 6998, 7784, 8896, 13996, 15568, 24493, 27992, 31136, 48986, 55984, 62272, 97972, 111968, 195944, 223936, 391888, 486361, 783776, 972722, 1567552, 1945444, 3404527, 3890888, 6809054, 7781776, 13618108, 15563552, 27236216, 31127104, 54472432, 108944864, 217889728]

約数ペア:

[(1, 217889728), (2, 108944864), (4, 54472432), (7, 31127104), (8, 27236216), (14, 15563552), (16, 13618108), (28, 7781776), (32, 6809054), (56, 3890888), (64, 3404527), (112, 1945444), (139, 1567552), (224, 972722), (278, 783776), (448, 486361), (556, 391888), (973, 223936), (1112, 195944), (1946, 111968), (2224, 97972), (3499, 62272), (3892, 55984), (4448, 48986), (6998, 31136), (7784, 27992), (8896, 24493), (13996, 15568)]