161659190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2957}}^1$

素因数の和:3053

約数の個数: 64

約数和(自身を含む): 368022528

約数和(自身を除く): 206363338

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 71, 77, 110, 142, 154, 355, 385, 497, 710, 770, 781, 994, 1562, 2485, 2957, 3905, 4970, 5467, 5914, 7810, 10934, 14785, 20699, 27335, 29570, 32527, 41398, 54670, 65054, 103495, 162635, 206990, 209947, 227689, 325270, 419894, 455378, 1049735, 1138445, 1469629, 2099470, 2276890, 2309417, 2939258, 4618834, 7348145, 11547085, 14696290, 16165919, 23094170, 32331838, 80829595, 161659190]

約数ペア:

[(1, 161659190), (2, 80829595), (5, 32331838), (7, 23094170), (10, 16165919), (11, 14696290), (14, 11547085), (22, 7348145), (35, 4618834), (55, 2939258), (70, 2309417), (71, 2276890), (77, 2099470), (110, 1469629), (142, 1138445), (154, 1049735), (355, 455378), (385, 419894), (497, 325270), (710, 227689), (770, 209947), (781, 206990), (994, 162635), (1562, 103495), (2485, 65054), (2957, 54670), (3905, 41398), (4970, 32527), (5467, 29570), (5914, 27335), (7810, 20699), (10934, 14785)]