221006688

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^2$

素因数の和:257

約数の個数: 144

約数和(自身を含む): 691117056

約数和(自身を除く): 470110368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 84, 93, 96, 103, 112, 124, 168, 186, 206, 217, 224, 248, 309, 336, 372, 412, 434, 496, 618, 651, 672, 721, 744, 824, 868, 992, 1236, 1302, 1442, 1488, 1648, 1736, 2163, 2472, 2604, 2884, 2976, 3193, 3296, 3472, 4326, 4944, 5208, 5768, 6386, 6944, 8652, 9579, 9888, 10416, 10609, 11536, 12772, 17304, 19158, 20832, 21218, 22351, 23072, 25544, 31827, 34608, 38316, 42436, 44702, 51088, 63654, 67053, 69216, 74263, 76632, 84872, 89404, 102176, 127308, 134106, 148526, 153264, 169744, 178808, 222789, 254616, 268212, 297052, 306528, 328879, 339488, 357616, 445578, 509232, 536424, 594104, 657758, 715232, 891156, 986637, 1018464, 1072848, 1188208, 1315516, 1782312, 1973274, 2145696, 2302153, 2376416, 2631032, 3564624, 3946548, 4604306, 5262064, 6906459, 7129248, 7893096, 9208612, 10524128, 13812918, 15786192, 18417224, 27625836, 31572384, 36834448, 55251672, 73668896, 110503344, 221006688]

約数ペア:

[(1, 221006688), (2, 110503344), (3, 73668896), (4, 55251672), (6, 36834448), (7, 31572384), (8, 27625836), (12, 18417224), (14, 15786192), (16, 13812918), (21, 10524128), (24, 9208612), (28, 7893096), (31, 7129248), (32, 6906459), (42, 5262064), (48, 4604306), (56, 3946548), (62, 3564624), (84, 2631032), (93, 2376416), (96, 2302153), (103, 2145696), (112, 1973274), (124, 1782312), (168, 1315516), (186, 1188208), (206, 1072848), (217, 1018464), (224, 986637), (248, 891156), (309, 715232), (336, 657758), (372, 594104), (412, 536424), (434, 509232), (496, 445578), (618, 357616), (651, 339488), (672, 328879), (721, 306528), (744, 297052), (824, 268212), (868, 254616), (992, 222789), (1236, 178808), (1302, 169744), (1442, 153264), (1488, 148526), (1648, 134106), (1736, 127308), (2163, 102176), (2472, 89404), (2604, 84872), (2884, 76632), (2976, 74263), (3193, 69216), (3296, 67053), (3472, 63654), (4326, 51088), (4944, 44702), (5208, 42436), (5768, 38316), (6386, 34608), (6944, 31827), (8652, 25544), (9579, 23072), (9888, 22351), (10416, 21218), (10609, 20832), (11536, 19158), (12772, 17304)]