78812456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{3181}}^1$

素因数の和:3369

約数の個数: 32

約数和(自身を含む): 156554400

約数和(自身を除く): 77741944

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 163, 326, 652, 1304, 3097, 3181, 6194, 6362, 12388, 12724, 24776, 25448, 60439, 120878, 241756, 483512, 518503, 1037006, 2074012, 4148024, 9851557, 19703114, 39406228, 78812456]

約数ペア:

[(1, 78812456), (2, 39406228), (4, 19703114), (8, 9851557), (19, 4148024), (38, 2074012), (76, 1037006), (152, 518503), (163, 483512), (326, 241756), (652, 120878), (1304, 60439), (3097, 25448), (3181, 24776), (6194, 12724), (6362, 12388)]