205421072

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{317}}^1\times {\mathrm{401}}^1$

素因数の和:827

約数の個数: 40

約数和(自身を含む): 404217432

約数和(自身を除く): 198796360

約数列:

[1, 2, 4, 8, 16, 101, 202, 317, 401, 404, 634, 802, 808, 1268, 1604, 1616, 2536, 3208, 5072, 6416, 32017, 40501, 64034, 81002, 127117, 128068, 162004, 254234, 256136, 324008, 508468, 512272, 648016, 1016936, 2033872, 12838817, 25677634, 51355268, 102710536, 205421072]

約数ペア:

[(1, 205421072), (2, 102710536), (4, 51355268), (8, 25677634), (16, 12838817), (101, 2033872), (202, 1016936), (317, 648016), (401, 512272), (404, 508468), (634, 324008), (802, 256136), (808, 254234), (1268, 162004), (1604, 128068), (1616, 127117), (2536, 81002), (3208, 64034), (5072, 40501), (6416, 32017)]