211965277769

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{172127}}^1$

素因数の和:172397

約数の個数: 32

約数和(自身を含む): 261744721920

約数和(自身を除く): 49779444151

約数列:

[1, 7, 19, 47, 133, 197, 329, 893, 1379, 3743, 6251, 9259, 26201, 64813, 172127, 175921, 1204889, 1231447, 3270413, 8089969, 22892891, 33909019, 56629783, 153709411, 237363133, 644271361, 1075965877, 1593723893, 4509899527, 11156067251, 30280753967, 211965277769]

約数ペア:

[(1, 211965277769), (7, 30280753967), (19, 11156067251), (47, 4509899527), (133, 1593723893), (197, 1075965877), (329, 644271361), (893, 237363133), (1379, 153709411), (3743, 56629783), (6251, 33909019), (9259, 22892891), (26201, 8089969), (64813, 3270413), (172127, 1231447), (175921, 1204889)]