166615345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 221598720

約数和(自身を除く): 54983375

約数列:

[1, 5, 13, 65, 71, 79, 355, 395, 457, 923, 1027, 2285, 4615, 5135, 5609, 5941, 28045, 29705, 32447, 36103, 72917, 162235, 180515, 364585, 421811, 469339, 2109055, 2346695, 2563313, 12816565, 33323069, 166615345]

約数ペア:

[(1, 166615345), (5, 33323069), (13, 12816565), (65, 2563313), (71, 2346695), (79, 2109055), (355, 469339), (395, 421811), (457, 364585), (923, 180515), (1027, 162235), (2285, 72917), (4615, 36103), (5135, 32447), (5609, 29705), (5941, 28045)]