12195515

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{557}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 15266880

約数和(自身を除く): 3071365

約数列:

[1, 5, 29, 145, 151, 557, 755, 2785, 4379, 16153, 21895, 80765, 84107, 420535, 2439103, 12195515]

約数ペア:

[(1, 12195515), (5, 2439103), (29, 420535), (145, 84107), (151, 80765), (557, 21895), (755, 16153), (2785, 4379)]