209755548

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 587220480

約数和(自身を除く): 377464932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 43, 47, 54, 62, 86, 93, 94, 108, 124, 129, 141, 172, 186, 188, 258, 279, 282, 372, 387, 423, 516, 558, 564, 774, 837, 846, 961, 1116, 1161, 1269, 1333, 1457, 1548, 1674, 1692, 1922, 2021, 2322, 2538, 2666, 2883, 2914, 3348, 3844, 3999, 4042, 4371, 4644, 5076, 5332, 5766, 5828, 6063, 7998, 8084, 8649, 8742, 11532, 11997, 12126, 13113, 15996, 17298, 17484, 18189, 23994, 24252, 25947, 26226, 34596, 35991, 36378, 39339, 41323, 45167, 47988, 51894, 52452, 54567, 62651, 71982, 72756, 78678, 82646, 90334, 103788, 109134, 123969, 125302, 135501, 143964, 157356, 165292, 180668, 187953, 218268, 247938, 250604, 271002, 371907, 375906, 406503, 495876, 542004, 563859, 743814, 751812, 813006, 1115721, 1127718, 1219509, 1487628, 1626012, 1691577, 1942181, 2231442, 2255436, 2439018, 3383154, 3884362, 4462884, 4878036, 5826543, 6766308, 7768724, 11653086, 17479629, 23306172, 34959258, 52438887, 69918516, 104877774, 209755548]

約数ペア:

[(1, 209755548), (2, 104877774), (3, 69918516), (4, 52438887), (6, 34959258), (9, 23306172), (12, 17479629), (18, 11653086), (27, 7768724), (31, 6766308), (36, 5826543), (43, 4878036), (47, 4462884), (54, 3884362), (62, 3383154), (86, 2439018), (93, 2255436), (94, 2231442), (108, 1942181), (124, 1691577), (129, 1626012), (141, 1487628), (172, 1219509), (186, 1127718), (188, 1115721), (258, 813006), (279, 751812), (282, 743814), (372, 563859), (387, 542004), (423, 495876), (516, 406503), (558, 375906), (564, 371907), (774, 271002), (837, 250604), (846, 247938), (961, 218268), (1116, 187953), (1161, 180668), (1269, 165292), (1333, 157356), (1457, 143964), (1548, 135501), (1674, 125302), (1692, 123969), (1922, 109134), (2021, 103788), (2322, 90334), (2538, 82646), (2666, 78678), (2883, 72756), (2914, 71982), (3348, 62651), (3844, 54567), (3999, 52452), (4042, 51894), (4371, 47988), (4644, 45167), (5076, 41323), (5332, 39339), (5766, 36378), (5828, 35991), (6063, 34596), (7998, 26226), (8084, 25947), (8649, 24252), (8742, 23994), (11532, 18189), (11997, 17484), (12126, 17298), (13113, 15996)]