1218717808

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:516

約数の個数: 180

約数和(自身を含む): 3130346520

約数和(自身を除く): 1911628712

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 44, 49, 56, 58, 77, 88, 98, 112, 116, 121, 154, 176, 196, 203, 232, 242, 308, 319, 392, 406, 443, 464, 484, 539, 616, 638, 784, 812, 847, 886, 968, 1078, 1232, 1276, 1421, 1624, 1694, 1772, 1936, 2156, 2233, 2552, 2842, 3101, 3248, 3388, 3509, 3544, 4312, 4466, 4873, 5104, 5684, 5929, 6202, 6776, 7018, 7088, 8624, 8932, 9746, 11368, 11858, 12404, 12847, 13552, 14036, 15631, 17864, 19492, 21707, 22736, 23716, 24563, 24808, 25694, 28072, 31262, 34111, 35728, 38984, 43414, 47432, 49126, 49616, 51388, 53603, 56144, 62524, 68222, 77968, 86828, 89929, 94864, 98252, 102776, 107206, 125048, 136444, 141317, 171941, 173656, 179858, 196504, 205552, 214412, 238777, 250096, 272888, 282634, 343882, 347312, 359716, 375221, 393008, 428824, 477554, 545776, 565268, 629503, 687764, 719432, 750442, 857648, 955108, 989219, 1130536, 1259006, 1375528, 1438864, 1500884, 1554487, 1910216, 1978438, 2261072, 2518012, 2626547, 2751056, 3001768, 3108974, 3820432, 3956876, 5036024, 5253094, 6003536, 6217948, 6924533, 7913752, 10072048, 10506188, 10881409, 12435896, 13849066, 15827504, 21012376, 21762818, 24871792, 27698132, 42024752, 43525636, 55396264, 76169863, 87051272, 110792528, 152339726, 174102544, 304679452, 609358904, 1218717808]

約数ペア:

[(1, 1218717808), (2, 609358904), (4, 304679452), (7, 174102544), (8, 152339726), (11, 110792528), (14, 87051272), (16, 76169863), (22, 55396264), (28, 43525636), (29, 42024752), (44, 27698132), (49, 24871792), (56, 21762818), (58, 21012376), (77, 15827504), (88, 13849066), (98, 12435896), (112, 10881409), (116, 10506188), (121, 10072048), (154, 7913752), (176, 6924533), (196, 6217948), (203, 6003536), (232, 5253094), (242, 5036024), (308, 3956876), (319, 3820432), (392, 3108974), (406, 3001768), (443, 2751056), (464, 2626547), (484, 2518012), (539, 2261072), (616, 1978438), (638, 1910216), (784, 1554487), (812, 1500884), (847, 1438864), (886, 1375528), (968, 1259006), (1078, 1130536), (1232, 989219), (1276, 955108), (1421, 857648), (1624, 750442), (1694, 719432), (1772, 687764), (1936, 629503), (2156, 565268), (2233, 545776), (2552, 477554), (2842, 428824), (3101, 393008), (3248, 375221), (3388, 359716), (3509, 347312), (3544, 343882), (4312, 282634), (4466, 272888), (4873, 250096), (5104, 238777), (5684, 214412), (5929, 205552), (6202, 196504), (6776, 179858), (7018, 173656), (7088, 171941), (8624, 141317), (8932, 136444), (9746, 125048), (11368, 107206), (11858, 102776), (12404, 98252), (12847, 94864), (13552, 89929), (14036, 86828), (15631, 77968), (17864, 68222), (19492, 62524), (21707, 56144), (22736, 53603), (23716, 51388), (24563, 49616), (24808, 49126), (25694, 47432), (28072, 43414), (31262, 38984), (34111, 35728)]