621250994

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 1175150592

約数和(自身を除く): 553899598

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 131, 142, 182, 262, 367, 497, 734, 917, 923, 994, 1703, 1834, 1846, 2569, 3406, 4771, 5138, 6461, 9301, 9542, 11921, 12922, 18602, 23842, 26057, 33397, 48077, 52114, 65107, 66794, 96154, 120913, 130214, 182399, 241826, 336539, 338741, 364798, 625001, 673078, 677482, 846391, 1250002, 1692782, 2371187, 3413467, 4375007, 4742374, 6826934, 8750014, 23894269, 44375071, 47788538, 88750142, 310625497, 621250994]

約数ペア:

[(1, 621250994), (2, 310625497), (7, 88750142), (13, 47788538), (14, 44375071), (26, 23894269), (71, 8750014), (91, 6826934), (131, 4742374), (142, 4375007), (182, 3413467), (262, 2371187), (367, 1692782), (497, 1250002), (734, 846391), (917, 677482), (923, 673078), (994, 625001), (1703, 364798), (1834, 338741), (1846, 336539), (2569, 241826), (3406, 182399), (4771, 130214), (5138, 120913), (6461, 96154), (9301, 66794), (9542, 65107), (11921, 52114), (12922, 48077), (18602, 33397), (23842, 26057)]