27980288

素因数分解:

$2^9\times 7^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:273

約数の個数: 80

約数和(自身を含む): 65930304

約数和(自身を除く): 37950016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 211, 224, 256, 259, 296, 422, 448, 512, 518, 592, 844, 896, 1036, 1184, 1477, 1688, 1792, 2072, 2368, 2954, 3376, 3584, 4144, 4736, 5908, 6752, 7807, 8288, 9472, 11816, 13504, 15614, 16576, 18944, 23632, 27008, 31228, 33152, 47264, 54016, 54649, 62456, 66304, 94528, 108032, 109298, 124912, 132608, 189056, 218596, 249824, 378112, 437192, 499648, 756224, 874384, 999296, 1748768, 1998592, 3497536, 3997184, 6995072, 13990144, 27980288]

約数ペア:

[(1, 27980288), (2, 13990144), (4, 6995072), (7, 3997184), (8, 3497536), (14, 1998592), (16, 1748768), (28, 999296), (32, 874384), (37, 756224), (56, 499648), (64, 437192), (74, 378112), (112, 249824), (128, 218596), (148, 189056), (211, 132608), (224, 124912), (256, 109298), (259, 108032), (296, 94528), (422, 66304), (448, 62456), (512, 54649), (518, 54016), (592, 47264), (844, 33152), (896, 31228), (1036, 27008), (1184, 23632), (1477, 18944), (1688, 16576), (1792, 15614), (2072, 13504), (2368, 11816), (2954, 9472), (3376, 8288), (3584, 7807), (4144, 6752), (4736, 5908)]