489258778855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{859}}^1\times {\mathrm{77863}}^1$

素因数の和:78764

約数の個数: 64

約数和(自身を含む): 771414220800

約数和(自身を除く): 282155441945

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 859, 1045, 1463, 4295, 6013, 7315, 9449, 16321, 30065, 47245, 66143, 77863, 81605, 114247, 179531, 330715, 389315, 545041, 571235, 856493, 897655, 1256717, 1479397, 2725205, 4282465, 5995451, 6283585, 7396985, 10355779, 16273367, 29977255, 51778895, 66884317, 81366835, 113913569, 334421585, 468190219, 569567845, 735727487, 1270802023, 2340951095, 3678637435, 5150092409, 6354010115, 8895614161, 13978822253, 25750462045, 44478070805, 69894111265, 97851755771, 489258778855]

約数ペア:

[(1, 489258778855), (5, 97851755771), (7, 69894111265), (11, 44478070805), (19, 25750462045), (35, 13978822253), (55, 8895614161), (77, 6354010115), (95, 5150092409), (133, 3678637435), (209, 2340951095), (385, 1270802023), (665, 735727487), (859, 569567845), (1045, 468190219), (1463, 334421585), (4295, 113913569), (6013, 81366835), (7315, 66884317), (9449, 51778895), (16321, 29977255), (30065, 16273367), (47245, 10355779), (66143, 7396985), (77863, 6283585), (81605, 5995451), (114247, 4282465), (179531, 2725205), (330715, 1479397), (389315, 1256717), (545041, 897655), (571235, 856493)]