221455696

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{25679}}^1$

素因数の和:25712

約数の個数: 60

約数和(自身を含む): 544518720

約数和(自身を除く): 323063024

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 4312, 8624, 25679, 51358, 102716, 179753, 205432, 282469, 359506, 410864, 564938, 719012, 1129876, 1258271, 1438024, 1977283, 2259752, 2516542, 2876048, 3954566, 4519504, 5033084, 7909132, 10066168, 13840981, 15818264, 20132336, 27681962, 31636528, 55363924, 110727848, 221455696]

約数ペア:

[(1, 221455696), (2, 110727848), (4, 55363924), (7, 31636528), (8, 27681962), (11, 20132336), (14, 15818264), (16, 13840981), (22, 10066168), (28, 7909132), (44, 5033084), (49, 4519504), (56, 3954566), (77, 2876048), (88, 2516542), (98, 2259752), (112, 1977283), (154, 1438024), (176, 1258271), (196, 1129876), (308, 719012), (392, 564938), (539, 410864), (616, 359506), (784, 282469), (1078, 205432), (1232, 179753), (2156, 102716), (4312, 51358), (8624, 25679)]