252856513

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{8101}}^1$

素因数の和:8142

約数の個数: 20

約数和(自身を含む): 317711828

約数和(自身を除く): 64855315

約数列:

[1, 7, 13, 49, 91, 343, 637, 2401, 4459, 8101, 31213, 56707, 105313, 396949, 737191, 2778643, 5160337, 19450501, 36122359, 252856513]

約数ペア:

[(1, 252856513), (7, 36122359), (13, 19450501), (49, 5160337), (91, 2778643), (343, 737191), (637, 396949), (2401, 105313), (4459, 56707), (8101, 31213)]