198525656

素因数分解:

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

素因数の和:1117

約数の個数: 64

約数和(自身を含む): 440640000

約数和(自身を除く): 242114344

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 284, 343, 392, 497, 568, 686, 994, 1019, 1372, 1988, 2038, 2744, 3479, 3976, 4076, 6958, 7133, 8152, 13916, 14266, 24353, 27832, 28532, 48706, 49931, 57064, 72349, 97412, 99862, 144698, 194824, 199724, 289396, 349517, 399448, 506443, 578792, 699034, 1012886, 1398068, 2025772, 2796136, 3545101, 4051544, 7090202, 14180404, 24815707, 28360808, 49631414, 99262828, 198525656]

約数ペア:

[(1, 198525656), (2, 99262828), (4, 49631414), (7, 28360808), (8, 24815707), (14, 14180404), (28, 7090202), (49, 4051544), (56, 3545101), (71, 2796136), (98, 2025772), (142, 1398068), (196, 1012886), (284, 699034), (343, 578792), (392, 506443), (497, 399448), (568, 349517), (686, 289396), (994, 199724), (1019, 194824), (1372, 144698), (1988, 99862), (2038, 97412), (2744, 72349), (3479, 57064), (3976, 49931), (4076, 48706), (6958, 28532), (7133, 27832), (8152, 24353), (13916, 14266)]