217925008

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{17851}}^1$

素因数の和:17975

約数の個数: 40

約数和(自身を含む): 487002560

約数和(自身を除く): 269077552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1744, 3052, 6104, 12208, 17851, 35702, 71404, 124957, 142808, 249914, 285616, 499828, 999656, 1945759, 1999312, 3891518, 7783036, 13620313, 15566072, 27240626, 31132144, 54481252, 108962504, 217925008]

約数ペア:

[(1, 217925008), (2, 108962504), (4, 54481252), (7, 31132144), (8, 27240626), (14, 15566072), (16, 13620313), (28, 7783036), (56, 3891518), (109, 1999312), (112, 1945759), (218, 999656), (436, 499828), (763, 285616), (872, 249914), (1526, 142808), (1744, 124957), (3052, 71404), (6104, 35702), (12208, 17851)]