15661680485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1645999}}^1$

素因数の和:1646188

約数の個数: 16

約数和(自身を含む): 20621088000

約数和(自身を除く): 4959407515

約数列:

[1, 5, 11, 55, 173, 865, 1903, 9515, 1645999, 8229995, 18105989, 90529945, 284757827, 1423789135, 3132336097, 15661680485]

約数ペア:

[(1, 15661680485), (5, 3132336097), (11, 1423789135), (55, 284757827), (173, 90529945), (865, 18105989), (1903, 8229995), (9515, 1645999)]