1285479314

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{379}}^1$

素因数の和:759

約数の個数: 64

約数和(自身を含む): 2390169600

約数和(自身を除く): 1104690286

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 311, 379, 574, 622, 758, 779, 1558, 2177, 2653, 4354, 5306, 5453, 5909, 7201, 10906, 11818, 12751, 14402, 15539, 25502, 31078, 41363, 50407, 82726, 89257, 100814, 108773, 117869, 178514, 217546, 235738, 242269, 295241, 484538, 590482, 825083, 1650166, 1695883, 2066687, 2239511, 3391766, 4133374, 4479022, 4832629, 9665258, 15676577, 31353154, 33828403, 67656806, 91819951, 183639902, 642739657, 1285479314]

約数ペア:

[(1, 1285479314), (2, 642739657), (7, 183639902), (14, 91819951), (19, 67656806), (38, 33828403), (41, 31353154), (82, 15676577), (133, 9665258), (266, 4832629), (287, 4479022), (311, 4133374), (379, 3391766), (574, 2239511), (622, 2066687), (758, 1695883), (779, 1650166), (1558, 825083), (2177, 590482), (2653, 484538), (4354, 295241), (5306, 242269), (5453, 235738), (5909, 217546), (7201, 178514), (10906, 117869), (11818, 108773), (12751, 100814), (14402, 89257), (15539, 82726), (25502, 50407), (31078, 41363)]