887651968

素因数分解:

$2^7\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:466

約数の個数: 128

約数和(自身を含む): 2104986240

約数和(自身を除く): 1217334272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 73, 82, 112, 128, 146, 164, 224, 287, 292, 328, 331, 448, 511, 574, 584, 656, 662, 896, 1022, 1148, 1168, 1312, 1324, 2044, 2296, 2317, 2336, 2624, 2648, 2993, 4088, 4592, 4634, 4672, 5248, 5296, 5986, 8176, 9184, 9268, 9344, 10592, 11972, 13571, 16352, 18368, 18536, 20951, 21184, 23944, 24163, 27142, 32704, 36736, 37072, 41902, 42368, 47888, 48326, 54284, 65408, 74144, 83804, 94997, 95776, 96652, 108568, 148288, 167608, 169141, 189994, 191552, 193304, 217136, 296576, 335216, 338282, 379988, 383104, 386608, 434272, 670432, 676564, 759976, 773216, 868544, 990683, 1340864, 1353128, 1519952, 1546432, 1737088, 1981366, 2681728, 2706256, 3039904, 3092864, 3962732, 5412512, 6079808, 6934781, 7925464, 10825024, 12159616, 13869562, 15850928, 21650048, 27739124, 31701856, 55478248, 63403712, 110956496, 126807424, 221912992, 443825984, 887651968]

約数ペア:

[(1, 887651968), (2, 443825984), (4, 221912992), (7, 126807424), (8, 110956496), (14, 63403712), (16, 55478248), (28, 31701856), (32, 27739124), (41, 21650048), (56, 15850928), (64, 13869562), (73, 12159616), (82, 10825024), (112, 7925464), (128, 6934781), (146, 6079808), (164, 5412512), (224, 3962732), (287, 3092864), (292, 3039904), (328, 2706256), (331, 2681728), (448, 1981366), (511, 1737088), (574, 1546432), (584, 1519952), (656, 1353128), (662, 1340864), (896, 990683), (1022, 868544), (1148, 773216), (1168, 759976), (1312, 676564), (1324, 670432), (2044, 434272), (2296, 386608), (2317, 383104), (2336, 379988), (2624, 338282), (2648, 335216), (2993, 296576), (4088, 217136), (4592, 193304), (4634, 191552), (4672, 189994), (5248, 169141), (5296, 167608), (5986, 148288), (8176, 108568), (9184, 96652), (9268, 95776), (9344, 94997), (10592, 83804), (11972, 74144), (13571, 65408), (16352, 54284), (18368, 48326), (18536, 47888), (20951, 42368), (21184, 41902), (23944, 37072), (24163, 36736), (27142, 32704)]