199707928

素因数分解:

$2^3\times 7^2\times {\mathrm{131}}^1\times {\mathrm{3889}}^1$

素因数の和:4040

約数の個数: 48

約数和(自身を含む): 439025400

約数和(自身を除く): 239317472

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 131, 196, 262, 392, 524, 917, 1048, 1834, 3668, 3889, 6419, 7336, 7778, 12838, 15556, 25676, 27223, 31112, 51352, 54446, 108892, 190561, 217784, 381122, 509459, 762244, 1018918, 1524488, 2037836, 3566213, 4075672, 7132426, 14264852, 24963491, 28529704, 49926982, 99853964, 199707928]

約数ペア:

[(1, 199707928), (2, 99853964), (4, 49926982), (7, 28529704), (8, 24963491), (14, 14264852), (28, 7132426), (49, 4075672), (56, 3566213), (98, 2037836), (131, 1524488), (196, 1018918), (262, 762244), (392, 509459), (524, 381122), (917, 217784), (1048, 190561), (1834, 108892), (3668, 54446), (3889, 51352), (6419, 31112), (7336, 27223), (7778, 25676), (12838, 15556)]