11721385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9491}}^1$

素因数の和:9528

約数の個数: 16

約数和(自身を含む): 15946560

約数和(自身を除く): 4225175

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 9491, 47455, 123383, 180329, 616915, 901645, 2344277, 11721385]

約数ペア:

[(1, 11721385), (5, 2344277), (13, 901645), (19, 616915), (65, 180329), (95, 123383), (247, 47455), (1235, 9491)]