208399058

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 375565248

約数和(自身を除く): 167166190

約数列:

[1, 2, 7, 14, 49, 61, 71, 98, 122, 142, 427, 491, 497, 854, 982, 994, 2989, 3437, 3479, 4331, 5978, 6874, 6958, 8662, 24059, 29951, 30317, 34861, 48118, 59902, 60634, 69722, 209657, 212219, 244027, 419314, 424438, 488054, 1467599, 1708189, 2126521, 2935198, 3416378, 4253042, 14885647, 29771294, 104199529, 208399058]

約数ペア:

[(1, 208399058), (2, 104199529), (7, 29771294), (14, 14885647), (49, 4253042), (61, 3416378), (71, 2935198), (98, 2126521), (122, 1708189), (142, 1467599), (427, 488054), (491, 424438), (497, 419314), (854, 244027), (982, 212219), (994, 209657), (2989, 69722), (3437, 60634), (3479, 59902), (4331, 48118), (5978, 34861), (6874, 30317), (6958, 29951), (8662, 24059)]