13309518025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{16937}}^1$

素因数の和:17050

約数の個数: 36

約数和(自身を含む): 17891507772

約数和(自身を除く): 4581989747

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 1849, 3655, 9245, 16937, 18275, 31433, 46225, 84685, 157165, 287929, 423425, 728291, 785825, 1439645, 3641455, 7198225, 12380947, 18207275, 31316513, 61904735, 156582565, 309523675, 532380721, 782912825, 2661903605, 13309518025]

約数ペア:

[(1, 13309518025), (5, 2661903605), (17, 782912825), (25, 532380721), (43, 309523675), (85, 156582565), (215, 61904735), (425, 31316513), (731, 18207275), (1075, 12380947), (1849, 7198225), (3655, 3641455), (9245, 1439645), (16937, 785825), (18275, 728291), (31433, 423425), (46225, 287929), (84685, 157165)]