64740572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{1619}}^1$

素因数の和:2405

約数の個数: 24

約数和(自身を含む): 122245200

約数和(自身を除く): 57504628

約数列:

[1, 2, 4, 13, 26, 52, 769, 1538, 1619, 3076, 3238, 6476, 9997, 19994, 21047, 39988, 42094, 84188, 1245011, 2490022, 4980044, 16185143, 32370286, 64740572]

約数ペア:

[(1, 64740572), (2, 32370286), (4, 16185143), (13, 4980044), (26, 2490022), (52, 1245011), (769, 84188), (1538, 42094), (1619, 39988), (3076, 21047), (3238, 19994), (6476, 9997)]