31921148

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 69445152

約数和(自身を除く): 37524004

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 73, 92, 97, 98, 146, 161, 194, 196, 292, 322, 388, 511, 644, 679, 1022, 1127, 1358, 1679, 2044, 2231, 2254, 2716, 3358, 3577, 4462, 4508, 4753, 6716, 7081, 7154, 8924, 9506, 11753, 14162, 14308, 15617, 19012, 23506, 28324, 31234, 47012, 49567, 62468, 82271, 99134, 109319, 162863, 164542, 198268, 218638, 325726, 329084, 346969, 437276, 651452, 693938, 1140041, 1387876, 2280082, 4560164, 7980287, 15960574, 31921148]

約数ペア:

[(1, 31921148), (2, 15960574), (4, 7980287), (7, 4560164), (14, 2280082), (23, 1387876), (28, 1140041), (46, 693938), (49, 651452), (73, 437276), (92, 346969), (97, 329084), (98, 325726), (146, 218638), (161, 198268), (194, 164542), (196, 162863), (292, 109319), (322, 99134), (388, 82271), (511, 62468), (644, 49567), (679, 47012), (1022, 31234), (1127, 28324), (1358, 23506), (1679, 19012), (2044, 15617), (2231, 14308), (2254, 14162), (2716, 11753), (3358, 9506), (3577, 8924), (4462, 7154), (4508, 7081), (4753, 6716)]