38931998

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 69050880

約数和(自身を除く): 30118882

約数列:

[1, 2, 7, 14, 53, 71, 106, 142, 371, 497, 739, 742, 994, 1478, 3763, 5173, 7526, 10346, 26341, 39167, 52469, 52682, 78334, 104938, 274169, 367283, 548338, 734566, 2780857, 5561714, 19465999, 38931998]

約数ペア:

[(1, 38931998), (2, 19465999), (7, 5561714), (14, 2780857), (53, 734566), (71, 548338), (106, 367283), (142, 274169), (371, 104938), (497, 78334), (739, 52682), (742, 52469), (994, 39167), (1478, 26341), (3763, 10346), (5173, 7526)]