28360808

素因数分解:

$2^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1019}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 62791200

約数和(自身を除く): 34430392

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 284, 392, 497, 568, 994, 1019, 1988, 2038, 3479, 3976, 4076, 6958, 7133, 8152, 13916, 14266, 27832, 28532, 49931, 57064, 72349, 99862, 144698, 199724, 289396, 399448, 506443, 578792, 1012886, 2025772, 3545101, 4051544, 7090202, 14180404, 28360808]

約数ペア:

[(1, 28360808), (2, 14180404), (4, 7090202), (7, 4051544), (8, 3545101), (14, 2025772), (28, 1012886), (49, 578792), (56, 506443), (71, 399448), (98, 289396), (142, 199724), (196, 144698), (284, 99862), (392, 72349), (497, 57064), (568, 49931), (994, 28532), (1019, 27832), (1988, 14266), (2038, 13916), (3479, 8152), (3976, 7133), (4076, 6958)]