206821384

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:515

約数の個数: 128

約数和(自身を含む): 522547200

約数和(自身を除く): 315725816

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 41, 44, 56, 76, 77, 82, 88, 133, 152, 154, 164, 209, 266, 287, 308, 328, 418, 431, 451, 532, 574, 616, 779, 836, 862, 902, 1064, 1148, 1463, 1558, 1672, 1724, 1804, 2296, 2926, 3017, 3116, 3157, 3448, 3608, 4741, 5453, 5852, 6034, 6232, 6314, 8189, 8569, 9482, 10906, 11704, 12068, 12628, 16378, 17138, 17671, 18964, 21812, 24136, 25256, 32756, 33187, 34276, 35342, 37928, 43624, 57323, 59983, 65512, 66374, 68552, 70684, 90079, 114646, 119966, 123697, 132748, 141368, 180158, 194381, 229292, 239932, 247394, 265496, 335749, 360316, 388762, 458584, 479864, 494788, 630553, 671498, 720632, 777524, 989576, 1261106, 1342996, 1360667, 1555048, 2350243, 2522212, 2685992, 2721334, 3693239, 4700486, 5044424, 5442668, 7386478, 9400972, 10885336, 14772956, 18801944, 25852673, 29545912, 51705346, 103410692, 206821384]

約数ペア:

[(1, 206821384), (2, 103410692), (4, 51705346), (7, 29545912), (8, 25852673), (11, 18801944), (14, 14772956), (19, 10885336), (22, 9400972), (28, 7386478), (38, 5442668), (41, 5044424), (44, 4700486), (56, 3693239), (76, 2721334), (77, 2685992), (82, 2522212), (88, 2350243), (133, 1555048), (152, 1360667), (154, 1342996), (164, 1261106), (209, 989576), (266, 777524), (287, 720632), (308, 671498), (328, 630553), (418, 494788), (431, 479864), (451, 458584), (532, 388762), (574, 360316), (616, 335749), (779, 265496), (836, 247394), (862, 239932), (902, 229292), (1064, 194381), (1148, 180158), (1463, 141368), (1558, 132748), (1672, 123697), (1724, 119966), (1804, 114646), (2296, 90079), (2926, 70684), (3017, 68552), (3116, 66374), (3157, 65512), (3448, 59983), (3608, 57323), (4741, 43624), (5453, 37928), (5852, 35342), (6034, 34276), (6232, 33187), (6314, 32756), (8189, 25256), (8569, 24136), (9482, 21812), (10906, 18964), (11704, 17671), (12068, 17138), (12628, 16378)]