389619715

素因数分解:

$5^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1\times {\mathrm{2477}}^1$

素因数の和:2838

約数の個数: 16

約数和(自身を含む): 473040288

約数和(自身を除く): 83420573

約数列:

[1, 5, 163, 193, 815, 965, 2477, 12385, 31459, 157295, 403751, 478061, 2018755, 2390305, 77923943, 389619715]

約数ペア:

[(1, 389619715), (5, 77923943), (163, 2390305), (193, 2018755), (815, 478061), (965, 403751), (2477, 157295), (12385, 31459)]