1254281215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{5717}}^1\times {\mathrm{3989}}^1$

素因数の和:9722

約数の個数: 16

約数和(自身を含む): 1642667040

約数和(自身を除く): 388385825

約数列:

[1, 5, 11, 55, 3989, 5717, 19945, 28585, 43879, 62887, 219395, 314435, 22805113, 114025565, 250856243, 1254281215]

約数ペア:

[(1, 1254281215), (5, 250856243), (11, 114025565), (55, 22805113), (3989, 314435), (5717, 219395), (19945, 62887), (28585, 43879)]