978091009

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{1777}}^1$

素因数の和:2077

約数の個数: 24

約数和(自身を含む): 1167505920

約数和(自身を除く): 189414911

約数列:

[1, 7, 47, 49, 239, 329, 1673, 1777, 2303, 11233, 11711, 12439, 78631, 83519, 87073, 424703, 550417, 584633, 2972921, 4092431, 19961041, 20810447, 139727287, 978091009]

約数ペア:

[(1, 978091009), (7, 139727287), (47, 20810447), (49, 19961041), (239, 4092431), (329, 2972921), (1673, 584633), (1777, 550417), (2303, 424703), (11233, 87073), (11711, 83519), (12439, 78631)]