78678992

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:137

約数の個数: 120

約数和(自身を含む): 195041088

約数和(自身を除く): 116362096

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 34, 43, 56, 62, 68, 86, 112, 119, 124, 136, 172, 217, 238, 248, 272, 301, 344, 434, 476, 496, 527, 602, 688, 731, 868, 952, 961, 1054, 1204, 1333, 1462, 1736, 1904, 1922, 2108, 2408, 2666, 2924, 3472, 3689, 3844, 4216, 4816, 5117, 5332, 5848, 6727, 7378, 7688, 8432, 9331, 10234, 10664, 11696, 13454, 14756, 15376, 16337, 18662, 20468, 21328, 22661, 26908, 29512, 32674, 37324, 40936, 41323, 45322, 53816, 59024, 65348, 74648, 81872, 82646, 90644, 107632, 114359, 130696, 149296, 158627, 165292, 181288, 228718, 261392, 289261, 317254, 330584, 362576, 457436, 578522, 634508, 661168, 702491, 914872, 1157044, 1269016, 1404982, 1829744, 2314088, 2538032, 2809964, 4628176, 4917437, 5619928, 9834874, 11239856, 19669748, 39339496, 78678992]

約数ペア:

[(1, 78678992), (2, 39339496), (4, 19669748), (7, 11239856), (8, 9834874), (14, 5619928), (16, 4917437), (17, 4628176), (28, 2809964), (31, 2538032), (34, 2314088), (43, 1829744), (56, 1404982), (62, 1269016), (68, 1157044), (86, 914872), (112, 702491), (119, 661168), (124, 634508), (136, 578522), (172, 457436), (217, 362576), (238, 330584), (248, 317254), (272, 289261), (301, 261392), (344, 228718), (434, 181288), (476, 165292), (496, 158627), (527, 149296), (602, 130696), (688, 114359), (731, 107632), (868, 90644), (952, 82646), (961, 81872), (1054, 74648), (1204, 65348), (1333, 59024), (1462, 53816), (1736, 45322), (1904, 41323), (1922, 40936), (2108, 37324), (2408, 32674), (2666, 29512), (2924, 26908), (3472, 22661), (3689, 21328), (3844, 20468), (4216, 18662), (4816, 16337), (5117, 15376), (5332, 14756), (5848, 13454), (6727, 11696), (7378, 10664), (7688, 10234), (8432, 9331)]