1997199048

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1039}}^1$

素因数の和:1223

約数の個数: 128

約数和(自身を含む): 5524646400

約数和(自身を除く): 3527447352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 61, 78, 101, 104, 122, 156, 183, 202, 244, 303, 312, 366, 404, 488, 606, 732, 793, 808, 1039, 1212, 1313, 1464, 1586, 2078, 2379, 2424, 2626, 3117, 3172, 3939, 4156, 4758, 5252, 6161, 6234, 6344, 7878, 8312, 9516, 10504, 12322, 12468, 13507, 15756, 18483, 19032, 24644, 24936, 27014, 31512, 36966, 40521, 49288, 54028, 63379, 73932, 80093, 81042, 104939, 108056, 126758, 147864, 160186, 162084, 190137, 209878, 240279, 253516, 314817, 320372, 324168, 380274, 419756, 480558, 507032, 629634, 640744, 760548, 823927, 839512, 961116, 1259268, 1364207, 1521096, 1647854, 1922232, 2471781, 2518536, 2728414, 3295708, 4092621, 4943562, 5456828, 6401279, 6591416, 8185242, 9887124, 10913656, 12802558, 16370484, 19203837, 19774248, 25605116, 32740968, 38407674, 51210232, 76815348, 83216627, 153630696, 166433254, 249649881, 332866508, 499299762, 665733016, 998599524, 1997199048]

約数ペア:

[(1, 1997199048), (2, 998599524), (3, 665733016), (4, 499299762), (6, 332866508), (8, 249649881), (12, 166433254), (13, 153630696), (24, 83216627), (26, 76815348), (39, 51210232), (52, 38407674), (61, 32740968), (78, 25605116), (101, 19774248), (104, 19203837), (122, 16370484), (156, 12802558), (183, 10913656), (202, 9887124), (244, 8185242), (303, 6591416), (312, 6401279), (366, 5456828), (404, 4943562), (488, 4092621), (606, 3295708), (732, 2728414), (793, 2518536), (808, 2471781), (1039, 1922232), (1212, 1647854), (1313, 1521096), (1464, 1364207), (1586, 1259268), (2078, 961116), (2379, 839512), (2424, 823927), (2626, 760548), (3117, 640744), (3172, 629634), (3939, 507032), (4156, 480558), (4758, 419756), (5252, 380274), (6161, 324168), (6234, 320372), (6344, 314817), (7878, 253516), (8312, 240279), (9516, 209878), (10504, 190137), (12322, 162084), (12468, 160186), (13507, 147864), (15756, 126758), (18483, 108056), (19032, 104939), (24644, 81042), (24936, 80093), (27014, 73932), (31512, 63379), (36966, 54028), (40521, 49288)]