1287499681998

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1097}}^1\times {\mathrm{918353}}^1$

素因数の和:919529

約数の個数: 48

約数和(自身を含む): 2831454359136

約数和(自身を除く): 1543954677138

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1097, 1278, 2194, 3291, 6582, 9873, 19746, 77887, 155774, 233661, 467322, 700983, 918353, 1401966, 1836706, 2755059, 5510118, 8265177, 16530354, 65203063, 130406126, 195609189, 391218378, 586827567, 1007433241, 1173655134, 2014866482, 3022299723, 6044599446, 9066899169, 18133798338, 71527760111, 143055520222, 214583280333, 429166560666, 643749840999, 1287499681998]

約数ペア:

[(1, 1287499681998), (2, 643749840999), (3, 429166560666), (6, 214583280333), (9, 143055520222), (18, 71527760111), (71, 18133798338), (142, 9066899169), (213, 6044599446), (426, 3022299723), (639, 2014866482), (1097, 1173655134), (1278, 1007433241), (2194, 586827567), (3291, 391218378), (6582, 195609189), (9873, 130406126), (19746, 65203063), (77887, 16530354), (155774, 8265177), (233661, 5510118), (467322, 2755059), (700983, 1836706), (918353, 1401966)]