201516565

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 261648000

約数和(自身を除く): 60131435

約数列:

[1, 5, 19, 59, 95, 157, 229, 295, 785, 1121, 1145, 2983, 4351, 5605, 9263, 13511, 14915, 21755, 35953, 46315, 67555, 175997, 179765, 256709, 683107, 879985, 1283545, 2121227, 3415535, 10606135, 40303313, 201516565]

約数ペア:

[(1, 201516565), (5, 40303313), (19, 10606135), (59, 3415535), (95, 2121227), (157, 1283545), (229, 879985), (295, 683107), (785, 256709), (1121, 179765), (1145, 175997), (2983, 67555), (4351, 46315), (5605, 35953), (9263, 21755), (13511, 14915)]