638754482

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{761}}^1$

素因数の和:1114

約数の個数: 32

約数和(自身を含む): 1019153664

約数和(自身を除く): 380399182

約数列:

[1, 2, 23, 46, 71, 142, 257, 514, 761, 1522, 1633, 3266, 5911, 11822, 17503, 18247, 35006, 36494, 54031, 108062, 195577, 391154, 419681, 839362, 1242713, 2485426, 4498271, 8996542, 13885967, 27771934, 319377241, 638754482]

約数ペア:

[(1, 638754482), (2, 319377241), (23, 27771934), (46, 13885967), (71, 8996542), (142, 4498271), (257, 2485426), (514, 1242713), (761, 839362), (1522, 419681), (1633, 391154), (3266, 195577), (5911, 108062), (11822, 54031), (17503, 36494), (18247, 35006)]