1280491085

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{30557}}^1$

素因数の和:30625

約数の個数: 24

約数和(自身を含む): 1688635080

約数和(自身を除く): 408143995

約数列:

[1, 5, 17, 29, 85, 145, 289, 493, 1445, 2465, 8381, 30557, 41905, 152785, 519469, 886153, 2597345, 4430765, 8830973, 15064601, 44154865, 75323005, 256098217, 1280491085]

約数ペア:

[(1, 1280491085), (5, 256098217), (17, 75323005), (29, 44154865), (85, 15064601), (145, 8830973), (289, 4430765), (493, 2597345), (1445, 886153), (2465, 519469), (8381, 152785), (30557, 41905)]