81563776

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 199267200

約数和(自身を除く): 117703424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 43, 56, 58, 64, 73, 86, 112, 116, 128, 146, 172, 203, 224, 232, 292, 301, 344, 406, 448, 464, 511, 584, 602, 688, 812, 896, 928, 1022, 1168, 1204, 1247, 1376, 1624, 1856, 2044, 2117, 2336, 2408, 2494, 2752, 3139, 3248, 3712, 4088, 4234, 4672, 4816, 4988, 5504, 6278, 6496, 8176, 8468, 8729, 9344, 9632, 9976, 12556, 12992, 14819, 16352, 16936, 17458, 19264, 19952, 21973, 25112, 25984, 29638, 32704, 33872, 34916, 38528, 39904, 43946, 50224, 59276, 65408, 67744, 69832, 79808, 87892, 91031, 100448, 118552, 135488, 139664, 159616, 175784, 182062, 200896, 237104, 270976, 279328, 351568, 364124, 401792, 474208, 558656, 637217, 703136, 728248, 948416, 1117312, 1274434, 1406272, 1456496, 1896832, 2548868, 2812544, 2912992, 5097736, 5825984, 10195472, 11651968, 20390944, 40781888, 81563776]

約数ペア:

[(1, 81563776), (2, 40781888), (4, 20390944), (7, 11651968), (8, 10195472), (14, 5825984), (16, 5097736), (28, 2912992), (29, 2812544), (32, 2548868), (43, 1896832), (56, 1456496), (58, 1406272), (64, 1274434), (73, 1117312), (86, 948416), (112, 728248), (116, 703136), (128, 637217), (146, 558656), (172, 474208), (203, 401792), (224, 364124), (232, 351568), (292, 279328), (301, 270976), (344, 237104), (406, 200896), (448, 182062), (464, 175784), (511, 159616), (584, 139664), (602, 135488), (688, 118552), (812, 100448), (896, 91031), (928, 87892), (1022, 79808), (1168, 69832), (1204, 67744), (1247, 65408), (1376, 59276), (1624, 50224), (1856, 43946), (2044, 39904), (2117, 38528), (2336, 34916), (2408, 33872), (2494, 32704), (2752, 29638), (3139, 25984), (3248, 25112), (3712, 21973), (4088, 19952), (4234, 19264), (4672, 17458), (4816, 16936), (4988, 16352), (5504, 14819), (6278, 12992), (6496, 12556), (8176, 9976), (8468, 9632), (8729, 9344)]