78905057

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{21803}}^1$

素因数の和:21868

約数の個数: 16

約数和(自身を含む): 100472832

約数和(自身を除く): 21567775

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 21803, 152621, 239833, 1024741, 1678831, 7173187, 11272151, 78905057]

約数ペア:

[(1, 78905057), (7, 11272151), (11, 7173187), (47, 1678831), (77, 1024741), (329, 239833), (517, 152621), (3619, 21803)]