408220683689

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2089}}^1\times {\mathrm{2207}}^1$

素因数の和:4462

約数の個数: 48

約数和(自身を含む): 515556518400

約数和(自身を除く): 107335834711

約数列:

[1, 7, 13, 49, 91, 139, 637, 973, 1807, 2089, 2207, 6811, 12649, 14623, 15449, 27157, 28691, 88543, 102361, 108143, 190099, 200837, 290371, 306773, 1330693, 1405859, 2032597, 2147411, 3774823, 3988049, 4610423, 14228179, 15031877, 26423761, 27916343, 32272961, 59935499, 184966327, 195414401, 225910727, 419548493, 640848797, 2936839451, 4485941579, 8331034361, 31401591053, 58317240527, 408220683689]

約数ペア:

[(1, 408220683689), (7, 58317240527), (13, 31401591053), (49, 8331034361), (91, 4485941579), (139, 2936839451), (637, 640848797), (973, 419548493), (1807, 225910727), (2089, 195414401), (2207, 184966327), (6811, 59935499), (12649, 32272961), (14623, 27916343), (15449, 26423761), (27157, 15031877), (28691, 14228179), (88543, 4610423), (102361, 3988049), (108143, 3774823), (190099, 2147411), (200837, 2032597), (290371, 1405859), (306773, 1330693)]