31390256

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:597

約数の個数: 40

約数和(自身を含む): 63016800

約数和(自身を除く): 31626544

約数列:

[1, 2, 4, 8, 16, 41, 82, 109, 164, 218, 328, 436, 439, 656, 872, 878, 1744, 1756, 3512, 4469, 7024, 8938, 17876, 17999, 35752, 35998, 47851, 71504, 71996, 95702, 143992, 191404, 287984, 382808, 765616, 1961891, 3923782, 7847564, 15695128, 31390256]

約数ペア:

[(1, 31390256), (2, 15695128), (4, 7847564), (8, 3923782), (16, 1961891), (41, 765616), (82, 382808), (109, 287984), (164, 191404), (218, 143992), (328, 95702), (436, 71996), (439, 71504), (656, 47851), (872, 35998), (878, 35752), (1744, 17999), (1756, 17876), (3512, 8938), (4469, 7024)]