249985442

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 469898496

約数和(自身を除く): 219913054

約数列:

[1, 2, 7, 14, 17, 34, 61, 67, 119, 122, 134, 238, 257, 427, 469, 514, 854, 938, 1037, 1139, 1799, 2074, 2278, 3598, 4087, 4369, 7259, 7973, 8174, 8738, 14518, 15677, 15946, 17219, 28609, 30583, 31354, 34438, 57218, 61166, 69479, 109739, 120533, 138958, 219478, 241066, 266509, 292723, 486353, 533018, 585446, 972706, 1050359, 1865563, 2049061, 2100718, 3731126, 4098122, 7352513, 14705026, 17856103, 35712206, 124992721, 249985442]

約数ペア:

[(1, 249985442), (2, 124992721), (7, 35712206), (14, 17856103), (17, 14705026), (34, 7352513), (61, 4098122), (67, 3731126), (119, 2100718), (122, 2049061), (134, 1865563), (238, 1050359), (257, 972706), (427, 585446), (469, 533018), (514, 486353), (854, 292723), (938, 266509), (1037, 241066), (1139, 219478), (1799, 138958), (2074, 120533), (2278, 109739), (3598, 69479), (4087, 61166), (4369, 57218), (7259, 34438), (7973, 31354), (8174, 30583), (8738, 28609), (14518, 17219), (15677, 15946)]