1991231154

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{17551}}^1$

素因数の和:17764

約数の個数: 64

約数和(自身を含む): 4852776960

約数和(自身を除く): 2861545806

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 191, 198, 297, 382, 573, 594, 1146, 1719, 2101, 3438, 4202, 5157, 6303, 10314, 12606, 17551, 18909, 35102, 37818, 52653, 56727, 105306, 113454, 157959, 193061, 315918, 386122, 473877, 579183, 947754, 1158366, 1737549, 3352241, 3475098, 5212647, 6704482, 10056723, 10425294, 20113446, 30170169, 36874651, 60340338, 73749302, 90510507, 110623953, 181021014, 221247906, 331871859, 663743718, 995615577, 1991231154]

約数ペア:

[(1, 1991231154), (2, 995615577), (3, 663743718), (6, 331871859), (9, 221247906), (11, 181021014), (18, 110623953), (22, 90510507), (27, 73749302), (33, 60340338), (54, 36874651), (66, 30170169), (99, 20113446), (191, 10425294), (198, 10056723), (297, 6704482), (382, 5212647), (573, 3475098), (594, 3352241), (1146, 1737549), (1719, 1158366), (2101, 947754), (3438, 579183), (4202, 473877), (5157, 386122), (6303, 315918), (10314, 193061), (12606, 157959), (17551, 113454), (18909, 105306), (35102, 56727), (37818, 52653)]