1279897445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{654679}}^1$

素因数の和:654724

約数の個数: 16

約数和(自身を含む): 1696930560

約数和(自身を除く): 417033115

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 654679, 3273395, 11129543, 15057617, 55647715, 75288085, 255979489, 1279897445]

約数ペア:

[(1, 1279897445), (5, 255979489), (17, 75288085), (23, 55647715), (85, 15057617), (115, 11129543), (391, 3273395), (1955, 654679)]