199391504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:193

約数の個数: 120

約数和(自身を含む): 460470528

約数和(自身を除く): 261079024

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 107, 124, 136, 208, 214, 221, 248, 272, 289, 403, 428, 442, 496, 527, 578, 806, 856, 884, 1054, 1156, 1391, 1612, 1712, 1768, 1819, 2108, 2312, 2782, 3224, 3317, 3536, 3638, 3757, 4216, 4624, 5564, 6448, 6634, 6851, 7276, 7514, 8432, 8959, 11128, 13268, 13702, 14552, 15028, 17918, 22256, 23647, 26536, 27404, 29104, 30056, 30923, 35836, 43121, 47294, 53072, 54808, 56389, 60112, 61846, 71672, 86242, 94588, 109616, 112778, 116467, 123692, 143344, 172484, 189176, 225556, 232934, 247384, 344968, 378352, 401999, 451112, 465868, 494768, 689936, 733057, 803998, 902224, 931736, 958613, 1466114, 1607996, 1863472, 1917226, 2932228, 3215992, 3834452, 5864456, 6431984, 7668904, 11728912, 12461969, 15337808, 24923938, 49847876, 99695752, 199391504]

約数ペア:

[(1, 199391504), (2, 99695752), (4, 49847876), (8, 24923938), (13, 15337808), (16, 12461969), (17, 11728912), (26, 7668904), (31, 6431984), (34, 5864456), (52, 3834452), (62, 3215992), (68, 2932228), (104, 1917226), (107, 1863472), (124, 1607996), (136, 1466114), (208, 958613), (214, 931736), (221, 902224), (248, 803998), (272, 733057), (289, 689936), (403, 494768), (428, 465868), (442, 451112), (496, 401999), (527, 378352), (578, 344968), (806, 247384), (856, 232934), (884, 225556), (1054, 189176), (1156, 172484), (1391, 143344), (1612, 123692), (1712, 116467), (1768, 112778), (1819, 109616), (2108, 94588), (2312, 86242), (2782, 71672), (3224, 61846), (3317, 60112), (3536, 56389), (3638, 54808), (3757, 53072), (4216, 47294), (4624, 43121), (5564, 35836), (6448, 30923), (6634, 30056), (6851, 29104), (7276, 27404), (7514, 26536), (8432, 23647), (8959, 22256), (11128, 17918), (13268, 15028), (13702, 14552)]