203498425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{8819}}^1$

素因数の和:8913

約数の個数: 24

約数和(自身を含む): 275607360

約数和(自身を除く): 72108935

約数列:

[1, 5, 13, 25, 65, 71, 325, 355, 923, 1775, 4615, 8819, 23075, 44095, 114647, 220475, 573235, 626149, 2866175, 3130745, 8139937, 15653725, 40699685, 203498425]

約数ペア:

[(1, 203498425), (5, 40699685), (13, 15653725), (25, 8139937), (65, 3130745), (71, 2866175), (325, 626149), (355, 573235), (923, 220475), (1775, 114647), (4615, 44095), (8819, 23075)]