1921115

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 2661120

約数和(自身を除く): 740005

約数列:

[1, 5, 7, 35, 131, 419, 655, 917, 2095, 2933, 4585, 14665, 54889, 274445, 384223, 1921115]

約数ペア:

[(1, 1921115), (5, 384223), (7, 274445), (35, 54889), (131, 14665), (419, 4585), (655, 2933), (917, 2095)]