168223568

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{757}}^1$

素因数の和:844

約数の個数: 80

約数和(自身を含む): 372208320

約数和(自身を除く): 203984752

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 43, 68, 76, 86, 136, 152, 172, 272, 304, 323, 344, 646, 688, 731, 757, 817, 1292, 1462, 1514, 1634, 2584, 2924, 3028, 3268, 5168, 5848, 6056, 6536, 11696, 12112, 12869, 13072, 13889, 14383, 25738, 27778, 28766, 32551, 51476, 55556, 57532, 65102, 102952, 111112, 115064, 130204, 205904, 222224, 230128, 244511, 260408, 489022, 520816, 553367, 618469, 978044, 1106734, 1236938, 1956088, 2213468, 2473876, 3912176, 4426936, 4947752, 8853872, 9895504, 10513973, 21027946, 42055892, 84111784, 168223568]

約数ペア:

[(1, 168223568), (2, 84111784), (4, 42055892), (8, 21027946), (16, 10513973), (17, 9895504), (19, 8853872), (34, 4947752), (38, 4426936), (43, 3912176), (68, 2473876), (76, 2213468), (86, 1956088), (136, 1236938), (152, 1106734), (172, 978044), (272, 618469), (304, 553367), (323, 520816), (344, 489022), (646, 260408), (688, 244511), (731, 230128), (757, 222224), (817, 205904), (1292, 130204), (1462, 115064), (1514, 111112), (1634, 102952), (2584, 65102), (2924, 57532), (3028, 55556), (3268, 51476), (5168, 32551), (5848, 28766), (6056, 27778), (6536, 25738), (11696, 14383), (12112, 13889), (12869, 13072)]