221649904

素因数分解:

$2^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{15107}}^1$

素因数の和:15253

約数の個数: 40

約数和(自身を含む): 494575488

約数和(自身を除く): 272925584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 131, 262, 524, 917, 1048, 1834, 2096, 3668, 7336, 14672, 15107, 30214, 60428, 105749, 120856, 211498, 241712, 422996, 845992, 1691984, 1979017, 3958034, 7916068, 13853119, 15832136, 27706238, 31664272, 55412476, 110824952, 221649904]

約数ペア:

[(1, 221649904), (2, 110824952), (4, 55412476), (7, 31664272), (8, 27706238), (14, 15832136), (16, 13853119), (28, 7916068), (56, 3958034), (112, 1979017), (131, 1691984), (262, 845992), (524, 422996), (917, 241712), (1048, 211498), (1834, 120856), (2096, 105749), (3668, 60428), (7336, 30214), (14672, 15107)]