208766705

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^2\times {\mathrm{229}}^1$

素因数の和:370

約数の個数: 36

約数和(自身を含む): 297570780

約数和(自身を除く): 88804075

約数列:

[1, 5, 7, 35, 49, 61, 229, 245, 305, 427, 1145, 1603, 2135, 2989, 3721, 8015, 11221, 13969, 14945, 18605, 26047, 56105, 69845, 97783, 130235, 182329, 488915, 684481, 852109, 911645, 3422405, 4260545, 5964763, 29823815, 41753341, 208766705]

約数ペア:

[(1, 208766705), (5, 41753341), (7, 29823815), (35, 5964763), (49, 4260545), (61, 3422405), (229, 911645), (245, 852109), (305, 684481), (427, 488915), (1145, 182329), (1603, 130235), (2135, 97783), (2989, 69845), (3721, 56105), (8015, 26047), (11221, 18605), (13969, 14945)]