218723972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 454164480

約数和(自身を除く): 235440508

約数列:

[1, 2, 4, 17, 19, 31, 34, 38, 43, 62, 68, 76, 86, 124, 127, 172, 254, 323, 508, 527, 589, 646, 731, 817, 1054, 1178, 1292, 1333, 1462, 1634, 2108, 2159, 2356, 2413, 2666, 2924, 3268, 3937, 4318, 4826, 5332, 5461, 7874, 8636, 9652, 10013, 10922, 13889, 15748, 20026, 21844, 22661, 25327, 27778, 40052, 41021, 45322, 50654, 55556, 66929, 74803, 82042, 90644, 92837, 101308, 103759, 133858, 149606, 164084, 169291, 185674, 207518, 267716, 299212, 338582, 371348, 415036, 430559, 677164, 861118, 1271651, 1722236, 1763903, 2543302, 2877947, 3216529, 3527806, 5086604, 5755894, 6433058, 7055612, 11511788, 12866116, 54680993, 109361986, 218723972]

約数ペア:

[(1, 218723972), (2, 109361986), (4, 54680993), (17, 12866116), (19, 11511788), (31, 7055612), (34, 6433058), (38, 5755894), (43, 5086604), (62, 3527806), (68, 3216529), (76, 2877947), (86, 2543302), (124, 1763903), (127, 1722236), (172, 1271651), (254, 861118), (323, 677164), (508, 430559), (527, 415036), (589, 371348), (646, 338582), (731, 299212), (817, 267716), (1054, 207518), (1178, 185674), (1292, 169291), (1333, 164084), (1462, 149606), (1634, 133858), (2108, 103759), (2159, 101308), (2356, 92837), (2413, 90644), (2666, 82042), (2924, 74803), (3268, 66929), (3937, 55556), (4318, 50654), (4826, 45322), (5332, 41021), (5461, 40052), (7874, 27778), (8636, 25327), (9652, 22661), (10013, 21844), (10922, 20026), (13889, 15748)]