221971456

素因数分解:

$2^{10}\times 7^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:379

約数の個数: 88

約数和(自身を含む): 512896320

約数和(自身を除く): 290924864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 173, 179, 224, 256, 346, 358, 448, 512, 692, 716, 896, 1024, 1211, 1253, 1384, 1432, 1792, 2422, 2506, 2768, 2864, 3584, 4844, 5012, 5536, 5728, 7168, 9688, 10024, 11072, 11456, 19376, 20048, 22144, 22912, 30967, 38752, 40096, 44288, 45824, 61934, 77504, 80192, 88576, 91648, 123868, 155008, 160384, 177152, 183296, 216769, 247736, 310016, 320768, 433538, 495472, 620032, 641536, 867076, 990944, 1240064, 1283072, 1734152, 1981888, 3468304, 3963776, 6936608, 7927552, 13873216, 15855104, 27746432, 31710208, 55492864, 110985728, 221971456]

約数ペア:

[(1, 221971456), (2, 110985728), (4, 55492864), (7, 31710208), (8, 27746432), (14, 15855104), (16, 13873216), (28, 7927552), (32, 6936608), (56, 3963776), (64, 3468304), (112, 1981888), (128, 1734152), (173, 1283072), (179, 1240064), (224, 990944), (256, 867076), (346, 641536), (358, 620032), (448, 495472), (512, 433538), (692, 320768), (716, 310016), (896, 247736), (1024, 216769), (1211, 183296), (1253, 177152), (1384, 160384), (1432, 155008), (1792, 123868), (2422, 91648), (2506, 88576), (2768, 80192), (2864, 77504), (3584, 61934), (4844, 45824), (5012, 44288), (5536, 40096), (5728, 38752), (7168, 30967), (9688, 22912), (10024, 22144), (11072, 20048), (11456, 19376)]