856643956

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:597

約数の個数: 96

約数和(自身を含む): 1880883200

約数和(自身を除く): 1024239244

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 127, 133, 217, 254, 266, 409, 434, 508, 532, 589, 818, 868, 889, 1178, 1636, 1778, 2356, 2413, 2863, 3556, 3937, 4123, 4826, 5726, 7771, 7874, 8246, 9652, 11452, 12679, 15542, 15748, 16492, 16891, 25358, 27559, 31084, 33782, 50716, 51943, 54397, 55118, 67564, 74803, 88753, 103886, 108794, 110236, 149606, 177506, 207772, 217588, 240901, 299212, 355012, 363601, 481802, 523621, 727202, 963604, 986917, 1047242, 1454404, 1610233, 1686307, 1973834, 2094484, 3220466, 3372614, 3947668, 6440932, 6745228, 6908419, 11271631, 13816838, 22543262, 27633676, 30594427, 45086524, 61188854, 122377708, 214160989, 428321978, 856643956]

約数ペア:

[(1, 856643956), (2, 428321978), (4, 214160989), (7, 122377708), (14, 61188854), (19, 45086524), (28, 30594427), (31, 27633676), (38, 22543262), (62, 13816838), (76, 11271631), (124, 6908419), (127, 6745228), (133, 6440932), (217, 3947668), (254, 3372614), (266, 3220466), (409, 2094484), (434, 1973834), (508, 1686307), (532, 1610233), (589, 1454404), (818, 1047242), (868, 986917), (889, 963604), (1178, 727202), (1636, 523621), (1778, 481802), (2356, 363601), (2413, 355012), (2863, 299212), (3556, 240901), (3937, 217588), (4123, 207772), (4826, 177506), (5726, 149606), (7771, 110236), (7874, 108794), (8246, 103886), (9652, 88753), (11452, 74803), (12679, 67564), (15542, 55118), (15748, 54397), (16492, 51943), (16891, 50716), (25358, 33782), (27559, 31084)]