1280045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:484

約数の個数: 16

約数和(自身を含む): 1693440

約数和(自身を除く): 413395

約数列:

[1, 5, 13, 47, 65, 235, 419, 611, 2095, 3055, 5447, 19693, 27235, 98465, 256009, 1280045]

約数ペア:

[(1, 1280045), (5, 256009), (13, 98465), (47, 27235), (65, 19693), (235, 5447), (419, 3055), (611, 2095)]