247915241571

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{31290577}}^1$

素因数の和:31290738

約数の個数: 16

約数和(自身を含む): 350454473600

約数和(自身を除く): 102539232029

約数列:

[1, 3, 19, 57, 139, 417, 2641, 7923, 31290577, 93871731, 594520963, 1783562889, 4349390203, 13048170609, 82638413857, 247915241571]

約数ペア:

[(1, 247915241571), (3, 82638413857), (19, 13048170609), (57, 4349390203), (139, 1783562889), (417, 594520963), (2641, 93871731), (7923, 31290577)]