217796824

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1151}}^1$

素因数の和:1304

約数の個数: 64

約数和(自身を含む): 486604800

約数和(自身を除く): 268807976

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 109, 124, 217, 218, 248, 434, 436, 763, 868, 872, 1151, 1526, 1736, 2302, 3052, 3379, 4604, 6104, 6758, 8057, 9208, 13516, 16114, 23653, 27032, 32228, 35681, 47306, 64456, 71362, 94612, 125459, 142724, 189224, 249767, 250918, 285448, 499534, 501836, 878213, 999068, 1003672, 1756426, 1998136, 3512852, 3889229, 7025704, 7778458, 15556916, 27224603, 31113832, 54449206, 108898412, 217796824]

約数ペア:

[(1, 217796824), (2, 108898412), (4, 54449206), (7, 31113832), (8, 27224603), (14, 15556916), (28, 7778458), (31, 7025704), (56, 3889229), (62, 3512852), (109, 1998136), (124, 1756426), (217, 1003672), (218, 999068), (248, 878213), (434, 501836), (436, 499534), (763, 285448), (868, 250918), (872, 249767), (1151, 189224), (1526, 142724), (1736, 125459), (2302, 94612), (3052, 71362), (3379, 64456), (4604, 47306), (6104, 35681), (6758, 32228), (8057, 27032), (9208, 23653), (13516, 16114)]