208577455

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1427}}^1$

素因数の和:1527

約数の個数: 32

約数和(自身を含む): 276369408

約数和(自身を除く): 67791953

約数列:

[1, 5, 23, 31, 41, 115, 155, 205, 713, 943, 1271, 1427, 3565, 4715, 6355, 7135, 29233, 32821, 44237, 58507, 146165, 164105, 221185, 292535, 1017451, 1345661, 1813717, 5087255, 6728305, 9068585, 41715491, 208577455]

約数ペア:

[(1, 208577455), (5, 41715491), (23, 9068585), (31, 6728305), (41, 5087255), (115, 1813717), (155, 1345661), (205, 1017451), (713, 292535), (943, 221185), (1271, 164105), (1427, 146165), (3565, 58507), (4715, 44237), (6355, 32821), (7135, 29233)]