261653504

素因数分解:

$2^{10}\times 7^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:411

約数の個数: 88

約数和(自身を含む): 604077888

約数和(自身を除く): 342424384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 173, 211, 224, 256, 346, 422, 448, 512, 692, 844, 896, 1024, 1211, 1384, 1477, 1688, 1792, 2422, 2768, 2954, 3376, 3584, 4844, 5536, 5908, 6752, 7168, 9688, 11072, 11816, 13504, 19376, 22144, 23632, 27008, 36503, 38752, 44288, 47264, 54016, 73006, 77504, 88576, 94528, 108032, 146012, 155008, 177152, 189056, 216064, 255521, 292024, 310016, 378112, 511042, 584048, 620032, 756224, 1022084, 1168096, 1240064, 1512448, 2044168, 2336192, 4088336, 4672384, 8176672, 9344768, 16353344, 18689536, 32706688, 37379072, 65413376, 130826752, 261653504]

約数ペア:

[(1, 261653504), (2, 130826752), (4, 65413376), (7, 37379072), (8, 32706688), (14, 18689536), (16, 16353344), (28, 9344768), (32, 8176672), (56, 4672384), (64, 4088336), (112, 2336192), (128, 2044168), (173, 1512448), (211, 1240064), (224, 1168096), (256, 1022084), (346, 756224), (422, 620032), (448, 584048), (512, 511042), (692, 378112), (844, 310016), (896, 292024), (1024, 255521), (1211, 216064), (1384, 189056), (1477, 177152), (1688, 155008), (1792, 146012), (2422, 108032), (2768, 94528), (2954, 88576), (3376, 77504), (3584, 73006), (4844, 54016), (5536, 47264), (5908, 44288), (6752, 38752), (7168, 36503), (9688, 27008), (11072, 23632), (11816, 22144), (13504, 19376)]