64204365

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 104659200

約数和(自身を除く): 40454835

約数列:

[1, 3, 5, 15, 137, 157, 199, 411, 471, 597, 685, 785, 995, 2055, 2355, 2985, 21509, 27263, 31243, 64527, 81789, 93729, 107545, 136315, 156215, 322635, 408945, 468645, 4280291, 12840873, 21401455, 64204365]

約数ペア:

[(1, 64204365), (3, 21401455), (5, 12840873), (15, 4280291), (137, 468645), (157, 408945), (199, 322635), (411, 156215), (471, 136315), (597, 107545), (685, 93729), (785, 81789), (995, 64527), (2055, 31243), (2355, 27263), (2985, 21509)]