991129678

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6435907}}^1$

素因数の和:6435927

約数の個数: 16

約数和(自身を含む): 1853541504

約数和(自身を除く): 862411826

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 6435907, 12871814, 45051349, 70794977, 90102698, 141589954, 495564839, 991129678]

約数ペア:

[(1, 991129678), (2, 495564839), (7, 141589954), (11, 90102698), (14, 70794977), (22, 45051349), (77, 12871814), (154, 6435907)]