978285215

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{67213}}^1$

素因数の和:67330

約数の個数: 16

約数和(自身を含む): 1219530816

約数和(自身を除く): 241245601

約数列:

[1, 5, 41, 71, 205, 355, 2911, 14555, 67213, 336065, 2755733, 4772123, 13778665, 23860615, 195657043, 978285215]

約数ペア:

[(1, 978285215), (5, 195657043), (41, 23860615), (71, 13778665), (205, 4772123), (355, 2755733), (2911, 336065), (14555, 67213)]