28390912

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{71}}^2$

素因数の和:171

約数の個数: 60

約数和(自身を含む): 62767188

約数和(自身を除く): 34376276

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 71, 88, 128, 142, 176, 256, 284, 352, 512, 568, 704, 781, 1136, 1408, 1562, 2272, 2816, 3124, 4544, 5041, 5632, 6248, 9088, 10082, 12496, 18176, 20164, 24992, 36352, 40328, 49984, 55451, 80656, 99968, 110902, 161312, 199936, 221804, 322624, 399872, 443608, 645248, 887216, 1290496, 1774432, 2580992, 3548864, 7097728, 14195456, 28390912]

約数ペア:

[(1, 28390912), (2, 14195456), (4, 7097728), (8, 3548864), (11, 2580992), (16, 1774432), (22, 1290496), (32, 887216), (44, 645248), (64, 443608), (71, 399872), (88, 322624), (128, 221804), (142, 199936), (176, 161312), (256, 110902), (284, 99968), (352, 80656), (512, 55451), (568, 49984), (704, 40328), (781, 36352), (1136, 24992), (1408, 20164), (1562, 18176), (2272, 12496), (2816, 10082), (3124, 9088), (4544, 6248), (5041, 5632)]