208535515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 276839424

約数和(自身を除く): 68303909

約数列:

[1, 5, 17, 37, 61, 85, 185, 305, 629, 1037, 1087, 2257, 3145, 5185, 5435, 11285, 18479, 38369, 40219, 66307, 92395, 191845, 201095, 331535, 683723, 1127219, 2453359, 3418615, 5636095, 12266795, 41707103, 208535515]

約数ペア:

[(1, 208535515), (5, 41707103), (17, 12266795), (37, 5636095), (61, 3418615), (85, 2453359), (185, 1127219), (305, 683723), (629, 331535), (1037, 201095), (1087, 191845), (2257, 92395), (3145, 66307), (5185, 40219), (5435, 38369), (11285, 18479)]