1791856784

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:688

約数の個数: 80

約数和(自身を含む): 3673306560

約数和(自身を除く): 1881449776

約数列:

[1, 2, 4, 8, 16, 41, 43, 82, 86, 139, 164, 172, 278, 328, 344, 457, 556, 656, 688, 914, 1112, 1763, 1828, 2224, 3526, 3656, 5699, 5977, 7052, 7312, 11398, 11954, 14104, 18737, 19651, 22796, 23908, 28208, 37474, 39302, 45592, 47816, 63523, 74948, 78604, 91184, 95632, 127046, 149896, 157208, 245057, 254092, 299792, 314416, 490114, 508184, 805691, 980228, 1016368, 1611382, 1960456, 2604443, 2731489, 3222764, 3920912, 5208886, 5462978, 6445528, 10417772, 10925956, 12891056, 20835544, 21851912, 41671088, 43703824, 111991049, 223982098, 447964196, 895928392, 1791856784]

約数ペア:

[(1, 1791856784), (2, 895928392), (4, 447964196), (8, 223982098), (16, 111991049), (41, 43703824), (43, 41671088), (82, 21851912), (86, 20835544), (139, 12891056), (164, 10925956), (172, 10417772), (278, 6445528), (328, 5462978), (344, 5208886), (457, 3920912), (556, 3222764), (656, 2731489), (688, 2604443), (914, 1960456), (1112, 1611382), (1763, 1016368), (1828, 980228), (2224, 805691), (3526, 508184), (3656, 490114), (5699, 314416), (5977, 299792), (7052, 254092), (7312, 245057), (11398, 157208), (11954, 149896), (14104, 127046), (18737, 95632), (19651, 91184), (22796, 78604), (23908, 74948), (28208, 63523), (37474, 47816), (39302, 45592)]